./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.3.1.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e66bf2b-bd7b-468b-9520-c91867b64eff/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e66bf2b-bd7b-468b-9520-c91867b64eff/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e66bf2b-bd7b-468b-9520-c91867b64eff/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e66bf2b-bd7b-468b-9520-c91867b64eff/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.3.1.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e66bf2b-bd7b-468b-9520-c91867b64eff/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e66bf2b-bd7b-468b-9520-c91867b64eff/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 66e52001defd7e771c0df8c73cdf4ec6b3d90072c8faf9f52fce6d45ff1a83e7 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 18:00:21,292 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:00:21,294 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:00:21,328 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:00:21,329 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:00:21,333 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:00:21,334 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:00:21,336 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:00:21,337 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:00:21,338 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:00:21,339 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:00:21,341 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:00:21,341 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:00:21,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:00:21,349 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:00:21,351 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:00:21,353 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:00:21,355 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:00:21,356 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:00:21,358 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:00:21,360 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:00:21,361 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:00:21,367 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:00:21,368 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:00:21,371 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:00:21,372 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:00:21,372 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:00:21,373 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:00:21,373 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:00:21,374 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:00:21,375 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:00:21,376 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:00:21,376 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:00:21,377 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:00:21,378 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:00:21,378 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:00:21,379 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:00:21,380 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:00:21,380 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:00:21,381 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:00:21,382 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:00:21,383 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e66bf2b-bd7b-468b-9520-c91867b64eff/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-25 18:00:21,406 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:00:21,407 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:00:21,407 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:00:21,408 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:00:21,408 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:00:21,409 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:00:21,409 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:00:21,410 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:00:21,410 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:00:21,410 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:00:21,410 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 18:00:21,411 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 18:00:21,411 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:00:21,411 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 18:00:21,411 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:00:21,412 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:00:21,412 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:00:21,412 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:00:21,412 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 18:00:21,412 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 18:00:21,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:00:21,413 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:00:21,413 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:00:21,413 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:00:21,414 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:00:21,414 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:00:21,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:00:21,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:00:21,415 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:00:21,415 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:00:21,415 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:00:21,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 18:00:21,416 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 18:00:21,416 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:00:21,416 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 18:00:21,416 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 18:00:21,417 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_8e66bf2b-bd7b-468b-9520-c91867b64eff/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e66bf2b-bd7b-468b-9520-c91867b64eff/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66e52001defd7e771c0df8c73cdf4ec6b3d90072c8faf9f52fce6d45ff1a83e7 [2022-11-25 18:00:21,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:00:21,769 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:00:21,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:00:21,772 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:00:21,774 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:00:21,775 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e66bf2b-bd7b-468b-9520-c91867b64eff/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.3.1.ufo.UNBOUNDED.pals.c [2022-11-25 18:00:24,772 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:00:25,055 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:00:25,056 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e66bf2b-bd7b-468b-9520-c91867b64eff/sv-benchmarks/c/seq-mthreaded/pals_lcr.3.1.ufo.UNBOUNDED.pals.c [2022-11-25 18:00:25,069 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e66bf2b-bd7b-468b-9520-c91867b64eff/bin/uautomizer-ZsLfNo2U6R/data/78d4963ae/2a17135f7484493dbffd742af53b7d6b/FLAG6f0f8a71e [2022-11-25 18:00:25,086 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e66bf2b-bd7b-468b-9520-c91867b64eff/bin/uautomizer-ZsLfNo2U6R/data/78d4963ae/2a17135f7484493dbffd742af53b7d6b [2022-11-25 18:00:25,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:00:25,090 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:00:25,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:00:25,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:00:25,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:00:25,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:00:25" (1/1) ... [2022-11-25 18:00:25,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@287f434b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:00:25, skipping insertion in model container [2022-11-25 18:00:25,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:00:25" (1/1) ... [2022-11-25 18:00:25,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:00:25,148 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:00:25,324 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e66bf2b-bd7b-468b-9520-c91867b64eff/sv-benchmarks/c/seq-mthreaded/pals_lcr.3.1.ufo.UNBOUNDED.pals.c[6080,6093] [2022-11-25 18:00:25,324 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:00:25,335 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:00:25,382 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e66bf2b-bd7b-468b-9520-c91867b64eff/sv-benchmarks/c/seq-mthreaded/pals_lcr.3.1.ufo.UNBOUNDED.pals.c[6080,6093] [2022-11-25 18:00:25,387 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:00:25,402 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:00:25,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:00:25 WrapperNode [2022-11-25 18:00:25,403 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:00:25,404 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:00:25,404 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:00:25,404 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:00:25,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:00:25" (1/1) ... [2022-11-25 18:00:25,419 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:00:25" (1/1) ... [2022-11-25 18:00:25,445 INFO L138 Inliner]: procedures = 23, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 222 [2022-11-25 18:00:25,445 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:00:25,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:00:25,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:00:25,446 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:00:25,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:00:25" (1/1) ... [2022-11-25 18:00:25,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:00:25" (1/1) ... [2022-11-25 18:00:25,467 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:00:25" (1/1) ... [2022-11-25 18:00:25,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:00:25" (1/1) ... [2022-11-25 18:00:25,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:00:25" (1/1) ... [2022-11-25 18:00:25,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:00:25" (1/1) ... [2022-11-25 18:00:25,478 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:00:25" (1/1) ... [2022-11-25 18:00:25,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:00:25" (1/1) ... [2022-11-25 18:00:25,482 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:00:25,483 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:00:25,483 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:00:25,484 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:00:25,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:00:25" (1/1) ... [2022-11-25 18:00:25,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:00:25,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e66bf2b-bd7b-468b-9520-c91867b64eff/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:00:25,518 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e66bf2b-bd7b-468b-9520-c91867b64eff/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:00:25,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e66bf2b-bd7b-468b-9520-c91867b64eff/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:00:25,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:00:25,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 18:00:25,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:00:25,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:00:25,735 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:00:25,737 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:00:26,159 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:00:26,166 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:00:26,167 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 18:00:26,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:00:26 BoogieIcfgContainer [2022-11-25 18:00:26,169 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:00:26,171 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:00:26,171 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:00:26,174 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:00:26,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:00:25" (1/3) ... [2022-11-25 18:00:26,175 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b7ceb28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:00:26, skipping insertion in model container [2022-11-25 18:00:26,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:00:25" (2/3) ... [2022-11-25 18:00:26,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b7ceb28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:00:26, skipping insertion in model container [2022-11-25 18:00:26,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:00:26" (3/3) ... [2022-11-25 18:00:26,177 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.3.1.ufo.UNBOUNDED.pals.c [2022-11-25 18:00:26,196 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:00:26,196 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2022-11-25 18:00:26,245 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 18:00:26,252 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;@1e5d2d2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:00:26,252 INFO L358 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2022-11-25 18:00:26,258 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 69 states have (on average 1.7536231884057971) internal successors, (121), 83 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:26,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 18:00:26,265 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:00:26,265 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:00:26,266 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-25 18:00:26,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:26,272 INFO L85 PathProgramCache]: Analyzing trace with hash -524468693, now seen corresponding path program 1 times [2022-11-25 18:00:26,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:00:26,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157337846] [2022-11-25 18:00:26,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:26,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:00:26,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:00:26,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:00:26,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:00:26,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157337846] [2022-11-25 18:00:26,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157337846] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:26,512 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:26,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:00:26,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608056221] [2022-11-25 18:00:26,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:26,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 18:00:26,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:00:26,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 18:00:26,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 18:00:26,549 INFO L87 Difference]: Start difference. First operand has 84 states, 69 states have (on average 1.7536231884057971) internal successors, (121), 83 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:26,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:00:26,575 INFO L93 Difference]: Finished difference Result 141 states and 201 transitions. [2022-11-25 18:00:26,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:00:26,578 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-25 18:00:26,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:00:26,586 INFO L225 Difference]: With dead ends: 141 [2022-11-25 18:00:26,587 INFO L226 Difference]: Without dead ends: 77 [2022-11-25 18:00:26,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 18:00:26,593 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:00:26,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:00:26,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-11-25 18:00:26,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2022-11-25 18:00:26,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 65 states have (on average 1.7076923076923076) internal successors, (111), 76 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:26,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 111 transitions. [2022-11-25 18:00:26,634 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 111 transitions. Word has length 11 [2022-11-25 18:00:26,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:00:26,634 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 111 transitions. [2022-11-25 18:00:26,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:26,635 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 111 transitions. [2022-11-25 18:00:26,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-25 18:00:26,636 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:00:26,636 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:00:26,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 18:00:26,637 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-25 18:00:26,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:26,638 INFO L85 PathProgramCache]: Analyzing trace with hash -133016270, now seen corresponding path program 1 times [2022-11-25 18:00:26,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:00:26,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588353997] [2022-11-25 18:00:26,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:26,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:00:26,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:00:26,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:00:26,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:00:26,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588353997] [2022-11-25 18:00:26,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588353997] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:26,894 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:26,895 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 18:00:26,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541436122] [2022-11-25 18:00:26,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:26,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:00:26,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:00:26,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:00:26,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:00:26,898 INFO L87 Difference]: Start difference. First operand 77 states and 111 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:26,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:00:26,971 INFO L93 Difference]: Finished difference Result 136 states and 188 transitions. [2022-11-25 18:00:26,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:00:26,971 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-25 18:00:26,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:00:26,972 INFO L225 Difference]: With dead ends: 136 [2022-11-25 18:00:26,973 INFO L226 Difference]: Without dead ends: 77 [2022-11-25 18:00:26,973 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 [2022-11-25 18:00:26,975 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 3 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:00:26,975 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 417 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:00:26,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-11-25 18:00:26,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2022-11-25 18:00:26,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 65 states have (on average 1.4615384615384615) internal successors, (95), 76 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:26,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 95 transitions. [2022-11-25 18:00:26,983 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 95 transitions. Word has length 15 [2022-11-25 18:00:26,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:00:26,983 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 95 transitions. [2022-11-25 18:00:26,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:26,984 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 95 transitions. [2022-11-25 18:00:26,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-25 18:00:26,985 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:00:26,985 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:00:26,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 18:00:26,985 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-25 18:00:26,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:26,986 INFO L85 PathProgramCache]: Analyzing trace with hash 2029260687, now seen corresponding path program 1 times [2022-11-25 18:00:26,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:00:26,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298462261] [2022-11-25 18:00:26,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:26,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:00:27,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:00:27,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:00:27,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:00:27,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298462261] [2022-11-25 18:00:27,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298462261] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:27,180 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:27,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:00:27,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377596044] [2022-11-25 18:00:27,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:27,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:00:27,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:00:27,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:00:27,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:00:27,188 INFO L87 Difference]: Start difference. First operand 77 states and 95 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:27,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:00:27,378 INFO L93 Difference]: Finished difference Result 129 states and 168 transitions. [2022-11-25 18:00:27,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 18:00:27,379 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 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 [2022-11-25 18:00:27,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:00:27,380 INFO L225 Difference]: With dead ends: 129 [2022-11-25 18:00:27,381 INFO L226 Difference]: Without dead ends: 126 [2022-11-25 18:00:27,381 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 [2022-11-25 18:00:27,382 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 216 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 18:00:27,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 113 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 18:00:27,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2022-11-25 18:00:27,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 120. [2022-11-25 18:00:27,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 108 states have (on average 1.5277777777777777) internal successors, (165), 119 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:27,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 165 transitions. [2022-11-25 18:00:27,413 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 165 transitions. Word has length 30 [2022-11-25 18:00:27,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:00:27,413 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 165 transitions. [2022-11-25 18:00:27,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:27,414 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 165 transitions. [2022-11-25 18:00:27,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-25 18:00:27,414 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:00:27,415 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:00:27,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 18:00:27,415 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-25 18:00:27,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:27,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1517427904, now seen corresponding path program 1 times [2022-11-25 18:00:27,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:00:27,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333856572] [2022-11-25 18:00:27,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:27,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:00:27,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:00:27,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:00:27,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:00:27,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333856572] [2022-11-25 18:00:27,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333856572] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:27,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:27,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:00:27,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777623761] [2022-11-25 18:00:27,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:27,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:00:27,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:00:27,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:00:27,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:00:27,567 INFO L87 Difference]: Start difference. First operand 120 states and 165 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:27,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:00:27,734 INFO L93 Difference]: Finished difference Result 224 states and 305 transitions. [2022-11-25 18:00:27,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:00:27,735 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-11-25 18:00:27,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:00:27,747 INFO L225 Difference]: With dead ends: 224 [2022-11-25 18:00:27,747 INFO L226 Difference]: Without dead ends: 221 [2022-11-25 18:00:27,748 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 [2022-11-25 18:00:27,752 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 206 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:00:27,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 167 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:00:27,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2022-11-25 18:00:27,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 163. [2022-11-25 18:00:27,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 151 states have (on average 1.5364238410596027) internal successors, (232), 162 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:27,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 232 transitions. [2022-11-25 18:00:27,793 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 232 transitions. Word has length 31 [2022-11-25 18:00:27,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:00:27,793 INFO L495 AbstractCegarLoop]: Abstraction has 163 states and 232 transitions. [2022-11-25 18:00:27,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:27,794 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 232 transitions. [2022-11-25 18:00:27,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-25 18:00:27,796 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:00:27,796 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:00:27,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 18:00:27,797 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-25 18:00:27,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:27,798 INFO L85 PathProgramCache]: Analyzing trace with hash 204375473, now seen corresponding path program 1 times [2022-11-25 18:00:27,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:00:27,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358046911] [2022-11-25 18:00:27,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:27,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:00:27,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:00:27,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:00:27,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:00:27,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358046911] [2022-11-25 18:00:27,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358046911] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:27,929 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:27,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:00:27,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521052496] [2022-11-25 18:00:27,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:27,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:00:27,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:00:27,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:00:27,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:00:27,933 INFO L87 Difference]: Start difference. First operand 163 states and 232 transitions. Second operand has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:28,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:00:28,167 INFO L93 Difference]: Finished difference Result 264 states and 375 transitions. [2022-11-25 18:00:28,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:00:28,168 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-11-25 18:00:28,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:00:28,169 INFO L225 Difference]: With dead ends: 264 [2022-11-25 18:00:28,169 INFO L226 Difference]: Without dead ends: 261 [2022-11-25 18:00:28,170 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 18:00:28,177 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 471 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 471 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 18:00:28,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [471 Valid, 195 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 18:00:28,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2022-11-25 18:00:28,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 249. [2022-11-25 18:00:28,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 237 states have (on average 1.5443037974683544) internal successors, (366), 248 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:28,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 366 transitions. [2022-11-25 18:00:28,220 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 366 transitions. Word has length 32 [2022-11-25 18:00:28,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:00:28,221 INFO L495 AbstractCegarLoop]: Abstraction has 249 states and 366 transitions. [2022-11-25 18:00:28,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:28,221 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 366 transitions. [2022-11-25 18:00:28,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-25 18:00:28,222 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:00:28,222 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:00:28,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 18:00:28,222 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-25 18:00:28,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:28,223 INFO L85 PathProgramCache]: Analyzing trace with hash 2040672610, now seen corresponding path program 1 times [2022-11-25 18:00:28,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:00:28,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477457386] [2022-11-25 18:00:28,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:28,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:00:28,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:00:28,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:00:28,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:00:28,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477457386] [2022-11-25 18:00:28,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477457386] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:28,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:28,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:00:28,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785490014] [2022-11-25 18:00:28,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:28,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:00:28,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:00:28,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:00:28,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:00:28,343 INFO L87 Difference]: Start difference. First operand 249 states and 366 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:28,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:00:28,593 INFO L93 Difference]: Finished difference Result 755 states and 1115 transitions. [2022-11-25 18:00:28,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:00:28,594 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 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 33 [2022-11-25 18:00:28,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:00:28,598 INFO L225 Difference]: With dead ends: 755 [2022-11-25 18:00:28,598 INFO L226 Difference]: Without dead ends: 528 [2022-11-25 18:00:28,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:00:28,604 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 468 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 468 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 18:00:28,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [468 Valid, 316 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 18:00:28,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2022-11-25 18:00:28,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 378. [2022-11-25 18:00:28,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 366 states have (on average 1.5081967213114753) internal successors, (552), 377 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:28,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 552 transitions. [2022-11-25 18:00:28,641 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 552 transitions. Word has length 33 [2022-11-25 18:00:28,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:00:28,642 INFO L495 AbstractCegarLoop]: Abstraction has 378 states and 552 transitions. [2022-11-25 18:00:28,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:28,643 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 552 transitions. [2022-11-25 18:00:28,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-25 18:00:28,644 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:00:28,644 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:00:28,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 18:00:28,645 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-25 18:00:28,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:28,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1865524296, now seen corresponding path program 1 times [2022-11-25 18:00:28,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:00:28,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124250035] [2022-11-25 18:00:28,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:28,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:00:28,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:00:28,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:00:28,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:00:28,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124250035] [2022-11-25 18:00:28,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124250035] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:28,711 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:28,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:00:28,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348621534] [2022-11-25 18:00:28,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:28,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:00:28,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:00:28,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:00:28,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:00:28,714 INFO L87 Difference]: Start difference. First operand 378 states and 552 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:28,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:00:28,789 INFO L93 Difference]: Finished difference Result 1058 states and 1556 transitions. [2022-11-25 18:00:28,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:00:28,790 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2022-11-25 18:00:28,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:00:28,795 INFO L225 Difference]: With dead ends: 1058 [2022-11-25 18:00:28,795 INFO L226 Difference]: Without dead ends: 702 [2022-11-25 18:00:28,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:00:28,800 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 61 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:00:28,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 221 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:00:28,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2022-11-25 18:00:28,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 690. [2022-11-25 18:00:28,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 690 states, 678 states have (on average 1.5014749262536873) internal successors, (1018), 689 states have internal predecessors, (1018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:28,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 1018 transitions. [2022-11-25 18:00:28,867 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 1018 transitions. Word has length 35 [2022-11-25 18:00:28,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:00:28,868 INFO L495 AbstractCegarLoop]: Abstraction has 690 states and 1018 transitions. [2022-11-25 18:00:28,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:28,868 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 1018 transitions. [2022-11-25 18:00:28,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-25 18:00:28,875 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:00:28,876 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:00:28,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 18:00:28,876 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-25 18:00:28,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:28,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1638740118, now seen corresponding path program 1 times [2022-11-25 18:00:28,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:00:28,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605297566] [2022-11-25 18:00:28,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:28,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:00:28,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:00:28,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:00:28,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:00:28,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605297566] [2022-11-25 18:00:28,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605297566] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:28,938 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:28,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:00:28,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609386438] [2022-11-25 18:00:28,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:28,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:00:28,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:00:28,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:00:28,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:00:28,940 INFO L87 Difference]: Start difference. First operand 690 states and 1018 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:29,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:00:29,025 INFO L93 Difference]: Finished difference Result 1962 states and 2898 transitions. [2022-11-25 18:00:29,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:00:29,025 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-11-25 18:00:29,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:00:29,031 INFO L225 Difference]: With dead ends: 1962 [2022-11-25 18:00:29,031 INFO L226 Difference]: Without dead ends: 1294 [2022-11-25 18:00:29,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:00:29,034 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 59 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:00:29,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 223 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:00:29,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1294 states. [2022-11-25 18:00:29,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1294 to 1282. [2022-11-25 18:00:29,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1282 states, 1270 states have (on average 1.48503937007874) internal successors, (1886), 1281 states have internal predecessors, (1886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:29,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 1282 states and 1886 transitions. [2022-11-25 18:00:29,121 INFO L78 Accepts]: Start accepts. Automaton has 1282 states and 1886 transitions. Word has length 37 [2022-11-25 18:00:29,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:00:29,123 INFO L495 AbstractCegarLoop]: Abstraction has 1282 states and 1886 transitions. [2022-11-25 18:00:29,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:29,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 1886 transitions. [2022-11-25 18:00:29,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-25 18:00:29,131 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:00:29,132 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:00:29,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 18:00:29,132 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-25 18:00:29,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:29,134 INFO L85 PathProgramCache]: Analyzing trace with hash -958732938, now seen corresponding path program 1 times [2022-11-25 18:00:29,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:00:29,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51872718] [2022-11-25 18:00:29,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:29,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:00:29,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:00:29,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:00:29,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:00:29,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51872718] [2022-11-25 18:00:29,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51872718] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:29,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:29,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:00:29,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241369037] [2022-11-25 18:00:29,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:29,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:00:29,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:00:29,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:00:29,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:00:29,191 INFO L87 Difference]: Start difference. First operand 1282 states and 1886 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:29,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:00:29,369 INFO L93 Difference]: Finished difference Result 3578 states and 5262 transitions. [2022-11-25 18:00:29,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:00:29,369 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-11-25 18:00:29,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:00:29,378 INFO L225 Difference]: With dead ends: 3578 [2022-11-25 18:00:29,378 INFO L226 Difference]: Without dead ends: 2318 [2022-11-25 18:00:29,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:00:29,382 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 59 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:00:29,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 224 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:00:29,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2318 states. [2022-11-25 18:00:29,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2318 to 2306. [2022-11-25 18:00:29,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2306 states, 2294 states have (on average 1.4673060156931124) internal successors, (3366), 2305 states have internal predecessors, (3366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:29,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2306 states to 2306 states and 3366 transitions. [2022-11-25 18:00:29,549 INFO L78 Accepts]: Start accepts. Automaton has 2306 states and 3366 transitions. Word has length 37 [2022-11-25 18:00:29,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:00:29,549 INFO L495 AbstractCegarLoop]: Abstraction has 2306 states and 3366 transitions. [2022-11-25 18:00:29,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:29,550 INFO L276 IsEmpty]: Start isEmpty. Operand 2306 states and 3366 transitions. [2022-11-25 18:00:29,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-25 18:00:29,551 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:00:29,551 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:00:29,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 18:00:29,552 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-25 18:00:29,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:29,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1488856003, now seen corresponding path program 1 times [2022-11-25 18:00:29,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:00:29,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282878950] [2022-11-25 18:00:29,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:29,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:00:29,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:00:29,645 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:00:29,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:00:29,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282878950] [2022-11-25 18:00:29,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282878950] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:29,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:29,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:00:29,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429801191] [2022-11-25 18:00:29,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:29,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:00:29,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:00:29,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:00:29,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:00:29,648 INFO L87 Difference]: Start difference. First operand 2306 states and 3366 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:29,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:00:29,864 INFO L93 Difference]: Finished difference Result 5186 states and 7536 transitions. [2022-11-25 18:00:29,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:00:29,865 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-11-25 18:00:29,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:00:29,876 INFO L225 Difference]: With dead ends: 5186 [2022-11-25 18:00:29,876 INFO L226 Difference]: Without dead ends: 2902 [2022-11-25 18:00:29,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:00:29,880 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 38 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 18:00:29,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 157 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 18:00:29,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2902 states. [2022-11-25 18:00:30,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2902 to 2856. [2022-11-25 18:00:30,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2856 states, 2844 states have (on average 1.4430379746835442) internal successors, (4104), 2855 states have internal predecessors, (4104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:30,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2856 states to 2856 states and 4104 transitions. [2022-11-25 18:00:30,101 INFO L78 Accepts]: Start accepts. Automaton has 2856 states and 4104 transitions. Word has length 53 [2022-11-25 18:00:30,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:00:30,102 INFO L495 AbstractCegarLoop]: Abstraction has 2856 states and 4104 transitions. [2022-11-25 18:00:30,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:30,102 INFO L276 IsEmpty]: Start isEmpty. Operand 2856 states and 4104 transitions. [2022-11-25 18:00:30,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-25 18:00:30,103 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:00:30,103 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:00:30,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 18:00:30,104 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-25 18:00:30,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:30,104 INFO L85 PathProgramCache]: Analyzing trace with hash 2071285937, now seen corresponding path program 1 times [2022-11-25 18:00:30,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:00:30,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702723807] [2022-11-25 18:00:30,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:30,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:00:30,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:00:30,286 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:00:30,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:00:30,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702723807] [2022-11-25 18:00:30,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702723807] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:30,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:30,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 18:00:30,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768266329] [2022-11-25 18:00:30,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:30,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:00:30,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:00:30,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:00:30,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:00:30,289 INFO L87 Difference]: Start difference. First operand 2856 states and 4104 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:30,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:00:30,653 INFO L93 Difference]: Finished difference Result 5694 states and 8184 transitions. [2022-11-25 18:00:30,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:00:30,653 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 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 57 [2022-11-25 18:00:30,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:00:30,663 INFO L225 Difference]: With dead ends: 5694 [2022-11-25 18:00:30,667 INFO L226 Difference]: Without dead ends: 2862 [2022-11-25 18:00:30,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-25 18:00:30,672 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 136 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:00:30,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 169 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:00:30,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2862 states. [2022-11-25 18:00:30,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2862 to 2856. [2022-11-25 18:00:30,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2856 states, 2844 states have (on average 1.431786216596343) internal successors, (4072), 2855 states have internal predecessors, (4072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:30,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2856 states to 2856 states and 4072 transitions. [2022-11-25 18:00:30,936 INFO L78 Accepts]: Start accepts. Automaton has 2856 states and 4072 transitions. Word has length 57 [2022-11-25 18:00:30,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:00:30,936 INFO L495 AbstractCegarLoop]: Abstraction has 2856 states and 4072 transitions. [2022-11-25 18:00:30,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:30,936 INFO L276 IsEmpty]: Start isEmpty. Operand 2856 states and 4072 transitions. [2022-11-25 18:00:30,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-25 18:00:30,937 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:00:30,937 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:00:30,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-25 18:00:30,938 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-25 18:00:30,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:30,939 INFO L85 PathProgramCache]: Analyzing trace with hash 275033619, now seen corresponding path program 1 times [2022-11-25 18:00:30,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:00:30,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940142131] [2022-11-25 18:00:30,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:30,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:00:30,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:00:31,029 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 18:00:31,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:00:31,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940142131] [2022-11-25 18:00:31,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940142131] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:31,030 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:31,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:00:31,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468231918] [2022-11-25 18:00:31,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:31,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:00:31,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:00:31,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:00:31,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:00:31,031 INFO L87 Difference]: Start difference. First operand 2856 states and 4072 transitions. Second operand has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:31,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:00:31,362 INFO L93 Difference]: Finished difference Result 3720 states and 5320 transitions. [2022-11-25 18:00:31,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 18:00:31,362 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 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 58 [2022-11-25 18:00:31,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:00:31,375 INFO L225 Difference]: With dead ends: 3720 [2022-11-25 18:00:31,375 INFO L226 Difference]: Without dead ends: 3717 [2022-11-25 18:00:31,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:00:31,377 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 99 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:00:31,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 219 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:00:31,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3717 states. [2022-11-25 18:00:31,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3717 to 2920. [2022-11-25 18:00:31,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2920 states, 2908 states have (on average 1.4429160935350756) internal successors, (4196), 2919 states have internal predecessors, (4196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:31,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2920 states to 2920 states and 4196 transitions. [2022-11-25 18:00:31,603 INFO L78 Accepts]: Start accepts. Automaton has 2920 states and 4196 transitions. Word has length 58 [2022-11-25 18:00:31,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:00:31,603 INFO L495 AbstractCegarLoop]: Abstraction has 2920 states and 4196 transitions. [2022-11-25 18:00:31,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:31,603 INFO L276 IsEmpty]: Start isEmpty. Operand 2920 states and 4196 transitions. [2022-11-25 18:00:31,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-25 18:00:31,604 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:00:31,604 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:00:31,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-25 18:00:31,605 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-25 18:00:31,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:31,605 INFO L85 PathProgramCache]: Analyzing trace with hash -63892162, now seen corresponding path program 1 times [2022-11-25 18:00:31,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:00:31,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371862498] [2022-11-25 18:00:31,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:31,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:00:31,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:00:31,755 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 18:00:31,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:00:31,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371862498] [2022-11-25 18:00:31,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371862498] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:31,756 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:31,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:00:31,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256297449] [2022-11-25 18:00:31,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:31,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:00:31,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:00:31,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:00:31,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:00:31,758 INFO L87 Difference]: Start difference. First operand 2920 states and 4196 transitions. Second operand has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:32,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:00:32,248 INFO L93 Difference]: Finished difference Result 8214 states and 11904 transitions. [2022-11-25 18:00:32,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:00:32,248 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2022-11-25 18:00:32,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:00:32,267 INFO L225 Difference]: With dead ends: 8214 [2022-11-25 18:00:32,267 INFO L226 Difference]: Without dead ends: 5318 [2022-11-25 18:00:32,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-25 18:00:32,272 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 243 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:00:32,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 210 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:00:32,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5318 states. [2022-11-25 18:00:32,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5318 to 4624. [2022-11-25 18:00:32,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4624 states, 4612 states have (on average 1.4501300954032958) internal successors, (6688), 4623 states have internal predecessors, (6688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:32,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4624 states to 4624 states and 6688 transitions. [2022-11-25 18:00:32,641 INFO L78 Accepts]: Start accepts. Automaton has 4624 states and 6688 transitions. Word has length 59 [2022-11-25 18:00:32,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:00:32,642 INFO L495 AbstractCegarLoop]: Abstraction has 4624 states and 6688 transitions. [2022-11-25 18:00:32,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:32,642 INFO L276 IsEmpty]: Start isEmpty. Operand 4624 states and 6688 transitions. [2022-11-25 18:00:32,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-25 18:00:32,643 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:00:32,644 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:00:32,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-25 18:00:32,644 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-25 18:00:32,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:32,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1091923339, now seen corresponding path program 1 times [2022-11-25 18:00:32,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:00:32,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343038318] [2022-11-25 18:00:32,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:32,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:00:32,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:00:32,792 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-25 18:00:32,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:00:32,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343038318] [2022-11-25 18:00:32,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343038318] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:32,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:32,794 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:00:32,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933457106] [2022-11-25 18:00:32,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:32,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:00:32,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:00:32,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:00:32,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:00:32,796 INFO L87 Difference]: Start difference. First operand 4624 states and 6688 transitions. Second operand has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:33,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:00:33,244 INFO L93 Difference]: Finished difference Result 9623 states and 13836 transitions. [2022-11-25 18:00:33,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 18:00:33,245 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 0 states have call successors, (0), 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 60 [2022-11-25 18:00:33,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:00:33,262 INFO L225 Difference]: With dead ends: 9623 [2022-11-25 18:00:33,262 INFO L226 Difference]: Without dead ends: 5023 [2022-11-25 18:00:33,267 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-25 18:00:33,268 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 218 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:00:33,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 275 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:00:33,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5023 states. [2022-11-25 18:00:33,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5023 to 4624. [2022-11-25 18:00:33,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4624 states, 4612 states have (on average 1.440589765828274) internal successors, (6644), 4623 states have internal predecessors, (6644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:33,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4624 states to 4624 states and 6644 transitions. [2022-11-25 18:00:33,584 INFO L78 Accepts]: Start accepts. Automaton has 4624 states and 6644 transitions. Word has length 60 [2022-11-25 18:00:33,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:00:33,584 INFO L495 AbstractCegarLoop]: Abstraction has 4624 states and 6644 transitions. [2022-11-25 18:00:33,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:33,585 INFO L276 IsEmpty]: Start isEmpty. Operand 4624 states and 6644 transitions. [2022-11-25 18:00:33,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-25 18:00:33,586 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:00:33,586 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:00:33,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-25 18:00:33,586 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-25 18:00:33,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:33,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1980656779, now seen corresponding path program 1 times [2022-11-25 18:00:33,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:00:33,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577490662] [2022-11-25 18:00:33,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:33,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:00:33,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:00:33,683 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 18:00:33,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:00:33,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577490662] [2022-11-25 18:00:33,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577490662] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:33,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:33,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:00:33,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822647570] [2022-11-25 18:00:33,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:33,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:00:33,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:00:33,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:00:33,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:00:33,686 INFO L87 Difference]: Start difference. First operand 4624 states and 6644 transitions. Second operand has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:34,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:00:34,120 INFO L93 Difference]: Finished difference Result 9227 states and 13296 transitions. [2022-11-25 18:00:34,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:00:34,121 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 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 60 [2022-11-25 18:00:34,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:00:34,132 INFO L225 Difference]: With dead ends: 9227 [2022-11-25 18:00:34,133 INFO L226 Difference]: Without dead ends: 5415 [2022-11-25 18:00:34,138 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-25 18:00:34,140 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 210 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:00:34,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 295 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:00:34,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5415 states. [2022-11-25 18:00:34,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5415 to 5412. [2022-11-25 18:00:34,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5412 states, 5400 states have (on average 1.4103703703703703) internal successors, (7616), 5411 states have internal predecessors, (7616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:34,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5412 states to 5412 states and 7616 transitions. [2022-11-25 18:00:34,581 INFO L78 Accepts]: Start accepts. Automaton has 5412 states and 7616 transitions. Word has length 60 [2022-11-25 18:00:34,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:00:34,582 INFO L495 AbstractCegarLoop]: Abstraction has 5412 states and 7616 transitions. [2022-11-25 18:00:34,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:34,583 INFO L276 IsEmpty]: Start isEmpty. Operand 5412 states and 7616 transitions. [2022-11-25 18:00:34,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-25 18:00:34,584 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:00:34,584 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:00:34,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-25 18:00:34,585 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-25 18:00:34,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:34,585 INFO L85 PathProgramCache]: Analyzing trace with hash -998722173, now seen corresponding path program 1 times [2022-11-25 18:00:34,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:00:34,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478248599] [2022-11-25 18:00:34,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:34,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:00:34,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:00:34,703 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 18:00:34,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:00:34,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478248599] [2022-11-25 18:00:34,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478248599] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:34,706 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:34,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:00:34,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512024950] [2022-11-25 18:00:34,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:34,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:00:34,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:00:34,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:00:34,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:00:34,709 INFO L87 Difference]: Start difference. First operand 5412 states and 7616 transitions. Second operand has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 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) [2022-11-25 18:00:35,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:00:35,187 INFO L93 Difference]: Finished difference Result 5415 states and 7616 transitions. [2022-11-25 18:00:35,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 18:00:35,188 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 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) Word has length 60 [2022-11-25 18:00:35,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:00:35,198 INFO L225 Difference]: With dead ends: 5415 [2022-11-25 18:00:35,198 INFO L226 Difference]: Without dead ends: 5412 [2022-11-25 18:00:35,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:00:35,200 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 95 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:00:35,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 172 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:00:35,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5412 states. [2022-11-25 18:00:35,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5412 to 5409. [2022-11-25 18:00:35,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5409 states, 5400 states have (on average 1.3837037037037037) internal successors, (7472), 5408 states have internal predecessors, (7472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:35,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5409 states to 5409 states and 7472 transitions. [2022-11-25 18:00:35,530 INFO L78 Accepts]: Start accepts. Automaton has 5409 states and 7472 transitions. Word has length 60 [2022-11-25 18:00:35,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:00:35,530 INFO L495 AbstractCegarLoop]: Abstraction has 5409 states and 7472 transitions. [2022-11-25 18:00:35,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 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) [2022-11-25 18:00:35,531 INFO L276 IsEmpty]: Start isEmpty. Operand 5409 states and 7472 transitions. [2022-11-25 18:00:35,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-25 18:00:35,531 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:00:35,532 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:00:35,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-25 18:00:35,532 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-25 18:00:35,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:35,533 INFO L85 PathProgramCache]: Analyzing trace with hash -895616052, now seen corresponding path program 1 times [2022-11-25 18:00:35,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:00:35,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012689843] [2022-11-25 18:00:35,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:35,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:00:35,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:00:35,642 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 18:00:35,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:00:35,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012689843] [2022-11-25 18:00:35,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012689843] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:35,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:35,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:00:35,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289981199] [2022-11-25 18:00:35,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:35,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:00:35,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:00:35,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:00:35,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:00:35,645 INFO L87 Difference]: Start difference. First operand 5409 states and 7472 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:36,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:00:36,088 INFO L93 Difference]: Finished difference Result 7122 states and 9968 transitions. [2022-11-25 18:00:36,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 18:00:36,089 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 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 61 [2022-11-25 18:00:36,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:00:36,103 INFO L225 Difference]: With dead ends: 7122 [2022-11-25 18:00:36,104 INFO L226 Difference]: Without dead ends: 7119 [2022-11-25 18:00:36,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:00:36,107 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 96 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:00:36,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 212 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:00:36,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7119 states. [2022-11-25 18:00:36,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7119 to 7113. [2022-11-25 18:00:36,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7113 states, 7104 states have (on average 1.382882882882883) internal successors, (9824), 7112 states have internal predecessors, (9824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:36,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7113 states to 7113 states and 9824 transitions. [2022-11-25 18:00:36,575 INFO L78 Accepts]: Start accepts. Automaton has 7113 states and 9824 transitions. Word has length 61 [2022-11-25 18:00:36,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:00:36,575 INFO L495 AbstractCegarLoop]: Abstraction has 7113 states and 9824 transitions. [2022-11-25 18:00:36,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:36,576 INFO L276 IsEmpty]: Start isEmpty. Operand 7113 states and 9824 transitions. [2022-11-25 18:00:36,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-25 18:00:36,576 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:00:36,577 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:00:36,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-25 18:00:36,577 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-25 18:00:36,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:36,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1994293595, now seen corresponding path program 1 times [2022-11-25 18:00:36,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:00:36,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416485127] [2022-11-25 18:00:36,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:36,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:00:36,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:00:36,674 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 18:00:36,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:00:36,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416485127] [2022-11-25 18:00:36,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416485127] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:36,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:36,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:00:36,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961669470] [2022-11-25 18:00:36,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:36,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:00:36,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:00:36,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:00:36,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:00:36,677 INFO L87 Difference]: Start difference. First operand 7113 states and 9824 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 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) [2022-11-25 18:00:37,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:00:37,357 INFO L93 Difference]: Finished difference Result 13493 states and 19124 transitions. [2022-11-25 18:00:37,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:00:37,358 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 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) Word has length 62 [2022-11-25 18:00:37,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:00:37,376 INFO L225 Difference]: With dead ends: 13493 [2022-11-25 18:00:37,376 INFO L226 Difference]: Without dead ends: 8372 [2022-11-25 18:00:37,383 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-25 18:00:37,384 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 246 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:00:37,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 212 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:00:37,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8372 states. [2022-11-25 18:00:37,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8372 to 6937. [2022-11-25 18:00:38,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6937 states, 6928 states have (on average 1.388568129330254) internal successors, (9620), 6936 states have internal predecessors, (9620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:38,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6937 states to 6937 states and 9620 transitions. [2022-11-25 18:00:38,020 INFO L78 Accepts]: Start accepts. Automaton has 6937 states and 9620 transitions. Word has length 62 [2022-11-25 18:00:38,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:00:38,021 INFO L495 AbstractCegarLoop]: Abstraction has 6937 states and 9620 transitions. [2022-11-25 18:00:38,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 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) [2022-11-25 18:00:38,021 INFO L276 IsEmpty]: Start isEmpty. Operand 6937 states and 9620 transitions. [2022-11-25 18:00:38,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-25 18:00:38,022 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:00:38,023 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:00:38,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-25 18:00:38,023 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-25 18:00:38,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:38,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1693559058, now seen corresponding path program 1 times [2022-11-25 18:00:38,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:00:38,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783655079] [2022-11-25 18:00:38,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:38,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:00:38,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:00:38,147 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 18:00:38,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:00:38,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783655079] [2022-11-25 18:00:38,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783655079] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:38,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:38,148 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:00:38,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527062022] [2022-11-25 18:00:38,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:38,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:00:38,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:00:38,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:00:38,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:00:38,151 INFO L87 Difference]: Start difference. First operand 6937 states and 9620 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 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) [2022-11-25 18:00:38,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:00:38,745 INFO L93 Difference]: Finished difference Result 11777 states and 16588 transitions. [2022-11-25 18:00:38,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:00:38,746 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 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) Word has length 63 [2022-11-25 18:00:38,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:00:38,766 INFO L225 Difference]: With dead ends: 11777 [2022-11-25 18:00:38,766 INFO L226 Difference]: Without dead ends: 7224 [2022-11-25 18:00:38,772 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-25 18:00:38,773 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 204 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:00:38,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 300 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:00:38,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7224 states. [2022-11-25 18:00:39,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7224 to 7221. [2022-11-25 18:00:39,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7221 states, 7212 states have (on average 1.3838047698280644) internal successors, (9980), 7220 states have internal predecessors, (9980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:39,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7221 states to 7221 states and 9980 transitions. [2022-11-25 18:00:39,187 INFO L78 Accepts]: Start accepts. Automaton has 7221 states and 9980 transitions. Word has length 63 [2022-11-25 18:00:39,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:00:39,188 INFO L495 AbstractCegarLoop]: Abstraction has 7221 states and 9980 transitions. [2022-11-25 18:00:39,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 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) [2022-11-25 18:00:39,188 INFO L276 IsEmpty]: Start isEmpty. Operand 7221 states and 9980 transitions. [2022-11-25 18:00:39,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-25 18:00:39,189 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:00:39,189 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:00:39,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-25 18:00:39,190 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-25 18:00:39,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:39,190 INFO L85 PathProgramCache]: Analyzing trace with hash 1429008381, now seen corresponding path program 1 times [2022-11-25 18:00:39,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:00:39,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716390089] [2022-11-25 18:00:39,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:39,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:00:39,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:00:39,293 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 18:00:39,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:00:39,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716390089] [2022-11-25 18:00:39,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716390089] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:39,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:39,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:00:39,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128524182] [2022-11-25 18:00:39,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:39,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:00:39,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:00:39,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:00:39,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:00:39,296 INFO L87 Difference]: Start difference. First operand 7221 states and 9980 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 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) [2022-11-25 18:00:39,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:00:39,792 INFO L93 Difference]: Finished difference Result 7619 states and 10512 transitions. [2022-11-25 18:00:39,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:00:39,792 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 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) Word has length 64 [2022-11-25 18:00:39,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:00:39,805 INFO L225 Difference]: With dead ends: 7619 [2022-11-25 18:00:39,805 INFO L226 Difference]: Without dead ends: 7616 [2022-11-25 18:00:39,807 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:00:39,808 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 164 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:00:39,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 278 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:00:39,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7616 states. [2022-11-25 18:00:40,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7616 to 7613. [2022-11-25 18:00:40,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7613 states, 7604 states have (on average 1.374013677012099) internal successors, (10448), 7612 states have internal predecessors, (10448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:40,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7613 states to 7613 states and 10448 transitions. [2022-11-25 18:00:40,185 INFO L78 Accepts]: Start accepts. Automaton has 7613 states and 10448 transitions. Word has length 64 [2022-11-25 18:00:40,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:00:40,185 INFO L495 AbstractCegarLoop]: Abstraction has 7613 states and 10448 transitions. [2022-11-25 18:00:40,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 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) [2022-11-25 18:00:40,186 INFO L276 IsEmpty]: Start isEmpty. Operand 7613 states and 10448 transitions. [2022-11-25 18:00:40,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-25 18:00:40,187 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:00:40,187 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:00:40,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-25 18:00:40,187 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-25 18:00:40,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:40,188 INFO L85 PathProgramCache]: Analyzing trace with hash -433416492, now seen corresponding path program 1 times [2022-11-25 18:00:40,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:00:40,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577097118] [2022-11-25 18:00:40,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:40,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:00:40,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:00:40,262 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 18:00:40,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:00:40,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577097118] [2022-11-25 18:00:40,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577097118] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:40,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:40,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:00:40,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292831389] [2022-11-25 18:00:40,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:40,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:00:40,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:00:40,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:00:40,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:00:40,266 INFO L87 Difference]: Start difference. First operand 7613 states and 10448 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:40,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:00:40,804 INFO L93 Difference]: Finished difference Result 9897 states and 13776 transitions. [2022-11-25 18:00:40,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 18:00:40,805 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 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 65 [2022-11-25 18:00:40,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:00:40,824 INFO L225 Difference]: With dead ends: 9897 [2022-11-25 18:00:40,824 INFO L226 Difference]: Without dead ends: 9894 [2022-11-25 18:00:40,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:00:40,828 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 123 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:00:40,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 329 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:00:40,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9894 states. [2022-11-25 18:00:41,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9894 to 9317. [2022-11-25 18:00:41,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9317 states, 9308 states have (on average 1.3596905887408681) internal successors, (12656), 9316 states have internal predecessors, (12656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:41,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9317 states to 9317 states and 12656 transitions. [2022-11-25 18:00:41,354 INFO L78 Accepts]: Start accepts. Automaton has 9317 states and 12656 transitions. Word has length 65 [2022-11-25 18:00:41,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:00:41,355 INFO L495 AbstractCegarLoop]: Abstraction has 9317 states and 12656 transitions. [2022-11-25 18:00:41,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:41,355 INFO L276 IsEmpty]: Start isEmpty. Operand 9317 states and 12656 transitions. [2022-11-25 18:00:41,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-25 18:00:41,356 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:00:41,356 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:00:41,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-25 18:00:41,357 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-25 18:00:41,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:41,358 INFO L85 PathProgramCache]: Analyzing trace with hash -551009123, now seen corresponding path program 1 times [2022-11-25 18:00:41,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:00:41,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452045936] [2022-11-25 18:00:41,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:41,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:00:41,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:00:41,471 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 18:00:41,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:00:41,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452045936] [2022-11-25 18:00:41,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452045936] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:41,472 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:41,472 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:00:41,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384316859] [2022-11-25 18:00:41,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:41,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:00:41,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:00:41,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:00:41,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:00:41,474 INFO L87 Difference]: Start difference. First operand 9317 states and 12656 transitions. Second operand has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:42,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:00:42,155 INFO L93 Difference]: Finished difference Result 11343 states and 15424 transitions. [2022-11-25 18:00:42,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:00:42,156 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 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 66 [2022-11-25 18:00:42,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:00:42,170 INFO L225 Difference]: With dead ends: 11343 [2022-11-25 18:00:42,171 INFO L226 Difference]: Without dead ends: 7361 [2022-11-25 18:00:42,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:00:42,178 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 141 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:00:42,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 253 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:00:42,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7361 states. [2022-11-25 18:00:42,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7361 to 5529. [2022-11-25 18:00:42,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5529 states, 5520 states have (on average 1.344927536231884) internal successors, (7424), 5528 states have internal predecessors, (7424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:42,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5529 states to 5529 states and 7424 transitions. [2022-11-25 18:00:42,697 INFO L78 Accepts]: Start accepts. Automaton has 5529 states and 7424 transitions. Word has length 66 [2022-11-25 18:00:42,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:00:42,697 INFO L495 AbstractCegarLoop]: Abstraction has 5529 states and 7424 transitions. [2022-11-25 18:00:42,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:42,698 INFO L276 IsEmpty]: Start isEmpty. Operand 5529 states and 7424 transitions. [2022-11-25 18:00:42,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-25 18:00:42,699 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:00:42,699 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:00:42,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-25 18:00:42,700 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-25 18:00:42,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:42,700 INFO L85 PathProgramCache]: Analyzing trace with hash 987320054, now seen corresponding path program 1 times [2022-11-25 18:00:42,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:00:42,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480010362] [2022-11-25 18:00:42,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:42,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:00:42,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:00:42,820 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 18:00:42,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:00:42,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480010362] [2022-11-25 18:00:42,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480010362] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:42,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:42,821 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:00:42,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46970143] [2022-11-25 18:00:42,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:42,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:00:42,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:00:42,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:00:42,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:00:42,823 INFO L87 Difference]: Start difference. First operand 5529 states and 7424 transitions. Second operand has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:43,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:00:43,299 INFO L93 Difference]: Finished difference Result 5819 states and 7816 transitions. [2022-11-25 18:00:43,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:00:43,299 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 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 67 [2022-11-25 18:00:43,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:00:43,309 INFO L225 Difference]: With dead ends: 5819 [2022-11-25 18:00:43,309 INFO L226 Difference]: Without dead ends: 5816 [2022-11-25 18:00:43,311 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:00:43,312 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 139 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:00:43,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 349 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:00:43,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5816 states. [2022-11-25 18:00:43,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5816 to 5813. [2022-11-25 18:00:43,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5813 states, 5804 states have (on average 1.3425223983459682) internal successors, (7792), 5812 states have internal predecessors, (7792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:43,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5813 states to 5813 states and 7792 transitions. [2022-11-25 18:00:43,674 INFO L78 Accepts]: Start accepts. Automaton has 5813 states and 7792 transitions. Word has length 67 [2022-11-25 18:00:43,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:00:43,675 INFO L495 AbstractCegarLoop]: Abstraction has 5813 states and 7792 transitions. [2022-11-25 18:00:43,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:43,675 INFO L276 IsEmpty]: Start isEmpty. Operand 5813 states and 7792 transitions. [2022-11-25 18:00:43,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-25 18:00:43,676 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:00:43,676 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:00:43,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-25 18:00:43,677 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-25 18:00:43,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:43,677 INFO L85 PathProgramCache]: Analyzing trace with hash 98586614, now seen corresponding path program 1 times [2022-11-25 18:00:43,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:00:43,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292031699] [2022-11-25 18:00:43,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:43,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:00:43,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:00:43,774 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 18:00:43,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:00:43,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292031699] [2022-11-25 18:00:43,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292031699] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:43,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:43,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:00:43,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625698532] [2022-11-25 18:00:43,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:43,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:00:43,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:00:43,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:00:43,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:00:43,780 INFO L87 Difference]: Start difference. First operand 5813 states and 7792 transitions. Second operand has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:44,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:00:44,269 INFO L93 Difference]: Finished difference Result 6863 states and 9288 transitions. [2022-11-25 18:00:44,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:00:44,270 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 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 67 [2022-11-25 18:00:44,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:00:44,286 INFO L225 Difference]: With dead ends: 6863 [2022-11-25 18:00:44,287 INFO L226 Difference]: Without dead ends: 6862 [2022-11-25 18:00:44,289 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:00:44,290 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 137 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:00:44,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 361 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:00:44,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6862 states. [2022-11-25 18:00:44,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6862 to 6853. [2022-11-25 18:00:44,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6853 states, 6844 states have (on average 1.3559322033898304) internal successors, (9280), 6852 states have internal predecessors, (9280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:44,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6853 states to 6853 states and 9280 transitions. [2022-11-25 18:00:44,693 INFO L78 Accepts]: Start accepts. Automaton has 6853 states and 9280 transitions. Word has length 67 [2022-11-25 18:00:44,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:00:44,693 INFO L495 AbstractCegarLoop]: Abstraction has 6853 states and 9280 transitions. [2022-11-25 18:00:44,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:44,694 INFO L276 IsEmpty]: Start isEmpty. Operand 6853 states and 9280 transitions. [2022-11-25 18:00:44,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-25 18:00:44,695 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:00:44,696 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:00:44,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-25 18:00:44,702 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-25 18:00:44,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:44,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1971878914, now seen corresponding path program 1 times [2022-11-25 18:00:44,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:00:44,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791195759] [2022-11-25 18:00:44,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:44,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:00:44,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:00:44,808 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 18:00:44,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:00:44,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791195759] [2022-11-25 18:00:44,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791195759] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:44,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:44,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:00:44,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655835957] [2022-11-25 18:00:44,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:44,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:00:44,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:00:44,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:00:44,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:00:44,811 INFO L87 Difference]: Start difference. First operand 6853 states and 9280 transitions. Second operand has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:45,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:00:45,360 INFO L93 Difference]: Finished difference Result 7046 states and 9528 transitions. [2022-11-25 18:00:45,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:00:45,361 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2022-11-25 18:00:45,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:00:45,372 INFO L225 Difference]: With dead ends: 7046 [2022-11-25 18:00:45,372 INFO L226 Difference]: Without dead ends: 6669 [2022-11-25 18:00:45,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:00:45,375 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 136 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:00:45,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 383 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:00:45,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6669 states. [2022-11-25 18:00:45,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6669 to 6665. [2022-11-25 18:00:45,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6665 states, 6656 states have (on average 1.3551682692307692) internal successors, (9020), 6664 states have internal predecessors, (9020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:45,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6665 states to 6665 states and 9020 transitions. [2022-11-25 18:00:45,697 INFO L78 Accepts]: Start accepts. Automaton has 6665 states and 9020 transitions. Word has length 71 [2022-11-25 18:00:45,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:00:45,698 INFO L495 AbstractCegarLoop]: Abstraction has 6665 states and 9020 transitions. [2022-11-25 18:00:45,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:45,698 INFO L276 IsEmpty]: Start isEmpty. Operand 6665 states and 9020 transitions. [2022-11-25 18:00:45,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-25 18:00:45,701 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:00:45,701 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:00:45,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-25 18:00:45,702 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-25 18:00:45,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:45,702 INFO L85 PathProgramCache]: Analyzing trace with hash -115998817, now seen corresponding path program 1 times [2022-11-25 18:00:45,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:00:45,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256355528] [2022-11-25 18:00:45,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:45,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:00:45,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:00:45,793 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 18:00:45,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:00:45,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256355528] [2022-11-25 18:00:45,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256355528] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:45,794 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:45,794 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:00:45,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185418134] [2022-11-25 18:00:45,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:45,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 18:00:45,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:00:45,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:00:45,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:00:45,796 INFO L87 Difference]: Start difference. First operand 6665 states and 9020 transitions. Second operand has 4 states, 3 states have (on average 27.333333333333332) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:46,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:00:46,274 INFO L93 Difference]: Finished difference Result 6859 states and 9264 transitions. [2022-11-25 18:00:46,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 18:00:46,275 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 27.333333333333332) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 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 85 [2022-11-25 18:00:46,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:00:46,284 INFO L225 Difference]: With dead ends: 6859 [2022-11-25 18:00:46,285 INFO L226 Difference]: Without dead ends: 6856 [2022-11-25 18:00:46,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:00:46,288 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 100 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:00:46,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 270 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:00:46,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6856 states. [2022-11-25 18:00:46,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6856 to 6662. [2022-11-25 18:00:46,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6662 states, 6656 states have (on average 1.3191105769230769) internal successors, (8780), 6661 states have internal predecessors, (8780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:46,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6662 states to 6662 states and 8780 transitions. [2022-11-25 18:00:46,691 INFO L78 Accepts]: Start accepts. Automaton has 6662 states and 8780 transitions. Word has length 85 [2022-11-25 18:00:46,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:00:46,692 INFO L495 AbstractCegarLoop]: Abstraction has 6662 states and 8780 transitions. [2022-11-25 18:00:46,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.333333333333332) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:46,692 INFO L276 IsEmpty]: Start isEmpty. Operand 6662 states and 8780 transitions. [2022-11-25 18:00:46,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-25 18:00:46,695 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:00:46,695 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:00:46,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-25 18:00:46,695 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-25 18:00:46,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:46,696 INFO L85 PathProgramCache]: Analyzing trace with hash 654927334, now seen corresponding path program 1 times [2022-11-25 18:00:46,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:00:46,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692632874] [2022-11-25 18:00:46,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:46,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:00:46,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:00:46,816 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-25 18:00:46,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:00:46,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692632874] [2022-11-25 18:00:46,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692632874] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:46,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:46,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:00:46,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43498766] [2022-11-25 18:00:46,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:46,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:00:46,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:00:46,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:00:46,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:00:46,818 INFO L87 Difference]: Start difference. First operand 6662 states and 8780 transitions. Second operand has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:47,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:00:47,326 INFO L93 Difference]: Finished difference Result 7057 states and 9280 transitions. [2022-11-25 18:00:47,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:00:47,327 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 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 86 [2022-11-25 18:00:47,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:00:47,337 INFO L225 Difference]: With dead ends: 7057 [2022-11-25 18:00:47,337 INFO L226 Difference]: Without dead ends: 7054 [2022-11-25 18:00:47,339 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:00:47,340 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 119 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:00:47,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 356 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:00:47,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7054 states. [2022-11-25 18:00:47,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7054 to 6270. [2022-11-25 18:00:47,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6270 states, 6264 states have (on average 1.3167305236270754) internal successors, (8248), 6269 states have internal predecessors, (8248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:47,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6270 states to 6270 states and 8248 transitions. [2022-11-25 18:00:47,752 INFO L78 Accepts]: Start accepts. Automaton has 6270 states and 8248 transitions. Word has length 86 [2022-11-25 18:00:47,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:00:47,752 INFO L495 AbstractCegarLoop]: Abstraction has 6270 states and 8248 transitions. [2022-11-25 18:00:47,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:47,753 INFO L276 IsEmpty]: Start isEmpty. Operand 6270 states and 8248 transitions. [2022-11-25 18:00:47,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-25 18:00:47,756 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:00:47,757 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:00:47,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-25 18:00:47,759 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-25 18:00:47,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:47,760 INFO L85 PathProgramCache]: Analyzing trace with hash 194294273, now seen corresponding path program 1 times [2022-11-25 18:00:47,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:00:47,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654770512] [2022-11-25 18:00:47,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:47,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:00:47,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:00:47,903 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 18:00:47,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:00:47,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654770512] [2022-11-25 18:00:47,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654770512] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:47,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:47,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:00:47,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424384603] [2022-11-25 18:00:47,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:47,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:00:47,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:00:47,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:00:47,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:00:47,906 INFO L87 Difference]: Start difference. First operand 6270 states and 8248 transitions. Second operand has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:48,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:00:48,634 INFO L93 Difference]: Finished difference Result 9597 states and 12728 transitions. [2022-11-25 18:00:48,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:00:48,635 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 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 87 [2022-11-25 18:00:48,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:00:48,642 INFO L225 Difference]: With dead ends: 9597 [2022-11-25 18:00:48,643 INFO L226 Difference]: Without dead ends: 5791 [2022-11-25 18:00:48,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:00:48,652 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 138 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 18:00:48,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 457 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 18:00:48,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5791 states. [2022-11-25 18:00:48,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5791 to 5782. [2022-11-25 18:00:48,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5782 states, 5776 states have (on average 1.3109418282548477) internal successors, (7572), 5781 states have internal predecessors, (7572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:48,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5782 states to 5782 states and 7572 transitions. [2022-11-25 18:00:48,999 INFO L78 Accepts]: Start accepts. Automaton has 5782 states and 7572 transitions. Word has length 87 [2022-11-25 18:00:48,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:00:49,000 INFO L495 AbstractCegarLoop]: Abstraction has 5782 states and 7572 transitions. [2022-11-25 18:00:49,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:49,000 INFO L276 IsEmpty]: Start isEmpty. Operand 5782 states and 7572 transitions. [2022-11-25 18:00:49,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-25 18:00:49,003 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:00:49,003 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:00:49,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-25 18:00:49,004 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-25 18:00:49,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:49,004 INFO L85 PathProgramCache]: Analyzing trace with hash -907513413, now seen corresponding path program 2 times [2022-11-25 18:00:49,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:00:49,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630228372] [2022-11-25 18:00:49,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:49,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:00:49,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:00:49,119 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 18:00:49,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:00:49,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630228372] [2022-11-25 18:00:49,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630228372] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:49,119 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:49,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:00:49,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240843473] [2022-11-25 18:00:49,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:49,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:00:49,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:00:49,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:00:49,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:00:49,121 INFO L87 Difference]: Start difference. First operand 5782 states and 7572 transitions. Second operand has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:49,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:00:49,569 INFO L93 Difference]: Finished difference Result 5977 states and 7816 transitions. [2022-11-25 18:00:49,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:00:49,570 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 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 87 [2022-11-25 18:00:49,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:00:49,575 INFO L225 Difference]: With dead ends: 5977 [2022-11-25 18:00:49,576 INFO L226 Difference]: Without dead ends: 5032 [2022-11-25 18:00:49,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:00:49,579 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 149 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:00:49,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 335 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:00:49,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5032 states. [2022-11-25 18:00:49,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5032 to 5026. [2022-11-25 18:00:49,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5026 states, 5020 states have (on average 1.3123505976095617) internal successors, (6588), 5025 states have internal predecessors, (6588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:49,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5026 states to 5026 states and 6588 transitions. [2022-11-25 18:00:49,825 INFO L78 Accepts]: Start accepts. Automaton has 5026 states and 6588 transitions. Word has length 87 [2022-11-25 18:00:49,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:00:49,825 INFO L495 AbstractCegarLoop]: Abstraction has 5026 states and 6588 transitions. [2022-11-25 18:00:49,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:49,825 INFO L276 IsEmpty]: Start isEmpty. Operand 5026 states and 6588 transitions. [2022-11-25 18:00:49,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-25 18:00:49,828 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:00:49,828 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:00:49,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-25 18:00:49,828 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-25 18:00:49,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:49,829 INFO L85 PathProgramCache]: Analyzing trace with hash 435812822, now seen corresponding path program 1 times [2022-11-25 18:00:49,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:00:49,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239744536] [2022-11-25 18:00:49,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:49,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:00:49,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:00:49,944 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 18:00:49,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:00:49,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239744536] [2022-11-25 18:00:49,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239744536] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:49,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:49,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:00:49,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451145396] [2022-11-25 18:00:49,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:49,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:00:49,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:00:49,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:00:49,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:00:49,946 INFO L87 Difference]: Start difference. First operand 5026 states and 6588 transitions. Second operand has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:50,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:00:50,291 INFO L93 Difference]: Finished difference Result 6119 states and 8046 transitions. [2022-11-25 18:00:50,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:00:50,291 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 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 88 [2022-11-25 18:00:50,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:00:50,295 INFO L225 Difference]: With dead ends: 6119 [2022-11-25 18:00:50,295 INFO L226 Difference]: Without dead ends: 3369 [2022-11-25 18:00:50,298 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:00:50,299 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 103 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:00:50,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 261 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:00:50,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3369 states. [2022-11-25 18:00:50,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3369 to 3031. [2022-11-25 18:00:50,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3031 states, 3028 states have (on average 1.2642007926023777) internal successors, (3828), 3030 states have internal predecessors, (3828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:50,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3031 states to 3031 states and 3828 transitions. [2022-11-25 18:00:50,520 INFO L78 Accepts]: Start accepts. Automaton has 3031 states and 3828 transitions. Word has length 88 [2022-11-25 18:00:50,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:00:50,521 INFO L495 AbstractCegarLoop]: Abstraction has 3031 states and 3828 transitions. [2022-11-25 18:00:50,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:50,521 INFO L276 IsEmpty]: Start isEmpty. Operand 3031 states and 3828 transitions. [2022-11-25 18:00:50,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-25 18:00:50,524 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:00:50,524 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:00:50,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-11-25 18:00:50,525 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-25 18:00:50,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:50,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1304386851, now seen corresponding path program 1 times [2022-11-25 18:00:50,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:00:50,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13010145] [2022-11-25 18:00:50,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:50,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:00:50,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:00:50,655 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-25 18:00:50,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:00:50,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13010145] [2022-11-25 18:00:50,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13010145] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:50,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:50,656 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:00:50,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341553183] [2022-11-25 18:00:50,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:50,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:00:50,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:00:50,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:00:50,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:00:50,658 INFO L87 Difference]: Start difference. First operand 3031 states and 3828 transitions. Second operand has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:50,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:00:50,936 INFO L93 Difference]: Finished difference Result 3032 states and 3828 transitions. [2022-11-25 18:00:50,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:00:50,936 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2022-11-25 18:00:50,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:00:50,939 INFO L225 Difference]: With dead ends: 3032 [2022-11-25 18:00:50,939 INFO L226 Difference]: Without dead ends: 3029 [2022-11-25 18:00:50,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:00:50,940 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 112 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:00:50,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 343 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:00:50,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3029 states. [2022-11-25 18:00:51,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3029 to 3029. [2022-11-25 18:00:51,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3029 states, 3028 states have (on average 1.2562747688243066) internal successors, (3804), 3028 states have internal predecessors, (3804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:51,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3029 states to 3029 states and 3804 transitions. [2022-11-25 18:00:51,086 INFO L78 Accepts]: Start accepts. Automaton has 3029 states and 3804 transitions. Word has length 89 [2022-11-25 18:00:51,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:00:51,087 INFO L495 AbstractCegarLoop]: Abstraction has 3029 states and 3804 transitions. [2022-11-25 18:00:51,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:51,087 INFO L276 IsEmpty]: Start isEmpty. Operand 3029 states and 3804 transitions. [2022-11-25 18:00:51,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-25 18:00:51,089 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:00:51,089 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:00:51,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-11-25 18:00:51,090 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-25 18:00:51,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:51,090 INFO L85 PathProgramCache]: Analyzing trace with hash 625295837, now seen corresponding path program 1 times [2022-11-25 18:00:51,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:00:51,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730368813] [2022-11-25 18:00:51,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:51,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:00:51,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:00:51,213 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 18:00:51,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:00:51,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730368813] [2022-11-25 18:00:51,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730368813] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:51,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:51,214 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:00:51,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514191405] [2022-11-25 18:00:51,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:51,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:00:51,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:00:51,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:00:51,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:00:51,215 INFO L87 Difference]: Start difference. First operand 3029 states and 3804 transitions. Second operand has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:51,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:00:51,494 INFO L93 Difference]: Finished difference Result 3030 states and 3804 transitions. [2022-11-25 18:00:51,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:00:51,495 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2022-11-25 18:00:51,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:00:51,498 INFO L225 Difference]: With dead ends: 3030 [2022-11-25 18:00:51,499 INFO L226 Difference]: Without dead ends: 3029 [2022-11-25 18:00:51,501 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:00:51,502 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 92 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:00:51,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 312 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:00:51,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3029 states. [2022-11-25 18:00:51,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3029 to 3029. [2022-11-25 18:00:51,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3029 states, 3028 states have (on average 1.2536327608982827) internal successors, (3796), 3028 states have internal predecessors, (3796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:51,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3029 states to 3029 states and 3796 transitions. [2022-11-25 18:00:51,724 INFO L78 Accepts]: Start accepts. Automaton has 3029 states and 3796 transitions. Word has length 89 [2022-11-25 18:00:51,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:00:51,725 INFO L495 AbstractCegarLoop]: Abstraction has 3029 states and 3796 transitions. [2022-11-25 18:00:51,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:51,725 INFO L276 IsEmpty]: Start isEmpty. Operand 3029 states and 3796 transitions. [2022-11-25 18:00:51,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-25 18:00:51,728 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:00:51,728 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:00:51,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-11-25 18:00:51,728 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-25 18:00:51,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:51,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1646070885, now seen corresponding path program 1 times [2022-11-25 18:00:51,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:00:51,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517616324] [2022-11-25 18:00:51,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:51,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:00:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:00:51,851 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-25 18:00:51,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:00:51,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517616324] [2022-11-25 18:00:51,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517616324] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:51,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:51,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:00:51,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681491926] [2022-11-25 18:00:51,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:51,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:00:51,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:00:51,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:00:51,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:00:51,854 INFO L87 Difference]: Start difference. First operand 3029 states and 3796 transitions. Second operand has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:52,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:00:52,187 INFO L93 Difference]: Finished difference Result 3219 states and 4036 transitions. [2022-11-25 18:00:52,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:00:52,187 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 0 states have call successors, (0), 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 93 [2022-11-25 18:00:52,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:00:52,189 INFO L225 Difference]: With dead ends: 3219 [2022-11-25 18:00:52,190 INFO L226 Difference]: Without dead ends: 2746 [2022-11-25 18:00:52,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:00:52,191 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 123 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:00:52,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 513 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:00:52,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2746 states. [2022-11-25 18:00:52,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2746 to 2557. [2022-11-25 18:00:52,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2557 states, 2556 states have (on average 1.242566510172144) internal successors, (3176), 2556 states have internal predecessors, (3176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:52,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2557 states to 2557 states and 3176 transitions. [2022-11-25 18:00:52,317 INFO L78 Accepts]: Start accepts. Automaton has 2557 states and 3176 transitions. Word has length 93 [2022-11-25 18:00:52,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:00:52,317 INFO L495 AbstractCegarLoop]: Abstraction has 2557 states and 3176 transitions. [2022-11-25 18:00:52,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:52,318 INFO L276 IsEmpty]: Start isEmpty. Operand 2557 states and 3176 transitions. [2022-11-25 18:00:52,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-25 18:00:52,321 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:00:52,321 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:00:52,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-11-25 18:00:52,321 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-25 18:00:52,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:52,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1464653211, now seen corresponding path program 2 times [2022-11-25 18:00:52,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:00:52,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426561841] [2022-11-25 18:00:52,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:52,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:00:52,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:00:52,434 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 18:00:52,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:00:52,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426561841] [2022-11-25 18:00:52,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426561841] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:52,435 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:52,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:00:52,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905804923] [2022-11-25 18:00:52,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:52,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:00:52,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:00:52,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:00:52,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:00:52,437 INFO L87 Difference]: Start difference. First operand 2557 states and 3176 transitions. Second operand has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:52,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:00:52,695 INFO L93 Difference]: Finished difference Result 2558 states and 3176 transitions. [2022-11-25 18:00:52,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:00:52,695 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 0 states have call successors, (0), 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 93 [2022-11-25 18:00:52,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:00:52,698 INFO L225 Difference]: With dead ends: 2558 [2022-11-25 18:00:52,698 INFO L226 Difference]: Without dead ends: 1789 [2022-11-25 18:00:52,699 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:00:52,699 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 102 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:00:52,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 490 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:00:52,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1789 states. [2022-11-25 18:00:52,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1789 to 1789. [2022-11-25 18:00:52,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1789 states, 1788 states have (on average 1.2348993288590604) internal successors, (2208), 1788 states have internal predecessors, (2208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:52,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1789 states to 1789 states and 2208 transitions. [2022-11-25 18:00:52,825 INFO L78 Accepts]: Start accepts. Automaton has 1789 states and 2208 transitions. Word has length 93 [2022-11-25 18:00:52,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:00:52,825 INFO L495 AbstractCegarLoop]: Abstraction has 1789 states and 2208 transitions. [2022-11-25 18:00:52,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:52,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1789 states and 2208 transitions. [2022-11-25 18:00:52,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-25 18:00:52,829 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:00:52,829 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:00:52,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-11-25 18:00:52,832 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-25 18:00:52,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:00:52,833 INFO L85 PathProgramCache]: Analyzing trace with hash -168843784, now seen corresponding path program 1 times [2022-11-25 18:00:52,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:00:52,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77239232] [2022-11-25 18:00:52,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:00:52,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:00:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:00:52,993 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-25 18:00:52,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:00:52,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77239232] [2022-11-25 18:00:52,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77239232] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:00:52,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:00:52,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:00:52,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19514041] [2022-11-25 18:00:52,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:00:52,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 18:00:52,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:00:52,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 18:00:52,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:00:52,996 INFO L87 Difference]: Start difference. First operand 1789 states and 2208 transitions. Second operand has 5 states, 4 states have (on average 26.0) internal successors, (104), 5 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:53,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:00:53,200 INFO L93 Difference]: Finished difference Result 1789 states and 2208 transitions. [2022-11-25 18:00:53,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 18:00:53,200 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 26.0) internal successors, (104), 5 states have internal predecessors, (104), 0 states have call successors, (0), 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 109 [2022-11-25 18:00:53,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 18:00:53,201 INFO L225 Difference]: With dead ends: 1789 [2022-11-25 18:00:53,201 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 18:00:53,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-25 18:00:53,203 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 103 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 18:00:53,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 408 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 18:00:53,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 18:00:53,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 18:00:53,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:53,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 18:00:53,206 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 109 [2022-11-25 18:00:53,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 18:00:53,206 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 18:00:53,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.0) internal successors, (104), 5 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:00:53,207 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 18:00:53,207 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 18:00:53,209 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 14 remaining) [2022-11-25 18:00:53,212 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 14 remaining) [2022-11-25 18:00:53,213 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 14 remaining) [2022-11-25 18:00:53,213 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 14 remaining) [2022-11-25 18:00:53,213 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 14 remaining) [2022-11-25 18:00:53,213 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 14 remaining) [2022-11-25 18:00:53,213 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 14 remaining) [2022-11-25 18:00:53,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 14 remaining) [2022-11-25 18:00:53,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 14 remaining) [2022-11-25 18:00:53,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 14 remaining) [2022-11-25 18:00:53,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 14 remaining) [2022-11-25 18:00:53,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 14 remaining) [2022-11-25 18:00:53,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 14 remaining) [2022-11-25 18:00:53,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 14 remaining) [2022-11-25 18:00:53,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-11-25 18:00:53,219 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 18:00:59,635 WARN L233 SmtUtils]: Spent 6.40s on a formula simplification. DAG size of input: 643 DAG size of output: 627 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-25 18:01:05,242 WARN L233 SmtUtils]: Spent 5.60s on a formula simplification. DAG size of input: 674 DAG size of output: 658 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-25 18:01:11,871 WARN L233 SmtUtils]: Spent 6.63s on a formula simplification. DAG size of input: 702 DAG size of output: 686 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-25 18:01:17,622 WARN L233 SmtUtils]: Spent 5.75s on a formula simplification. DAG size of input: 670 DAG size of output: 654 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-25 18:01:24,525 WARN L233 SmtUtils]: Spent 5.45s on a formula simplification. DAG size of input: 642 DAG size of output: 626 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-25 18:01:39,450 WARN L233 SmtUtils]: Spent 5.26s on a formula simplification. DAG size of input: 686 DAG size of output: 39 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-25 18:01:50,553 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 210) no Hoare annotation was computed. [2022-11-25 18:01:50,553 INFO L899 garLoopResultBuilder]: For program point L151(lines 151 159) no Hoare annotation was computed. [2022-11-25 18:01:50,553 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 18:01:50,553 INFO L899 garLoopResultBuilder]: For program point L152(lines 152 156) no Hoare annotation was computed. [2022-11-25 18:01:50,554 INFO L895 garLoopResultBuilder]: At program point L202(lines 132 204) the Hoare annotation is: (or (and (= |ULTIMATE.start_init_~tmp~0#1| 0) (= |ULTIMATE.start_init_#res#1| 0)) (and (= (* 256 (div ~mode2~0 256)) ~mode2~0) (= (* 256 (div ~mode1~0 256)) ~mode1~0) (= (* 256 (div ~mode3~0 256)) ~mode3~0) (<= ~st2~0 0) (<= (+ ~st3~0 ~st1~0) 0) (<= ~r1~0 (* (div ~r1~0 256) 256)) (<= 0 (+ ~st2~0 ~st1~0)) (<= 0 ~st3~0))) [2022-11-25 18:01:50,554 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 214) no Hoare annotation was computed. [2022-11-25 18:01:50,555 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 289) no Hoare annotation was computed. [2022-11-25 18:01:50,555 INFO L899 garLoopResultBuilder]: For program point L219(line 219) no Hoare annotation was computed. [2022-11-25 18:01:50,555 INFO L899 garLoopResultBuilder]: For program point L219-1(line 219) no Hoare annotation was computed. [2022-11-25 18:01:50,555 INFO L899 garLoopResultBuilder]: For program point L219-2(line 219) no Hoare annotation was computed. [2022-11-25 18:01:50,555 INFO L899 garLoopResultBuilder]: For program point L120(lines 120 122) no Hoare annotation was computed. [2022-11-25 18:01:50,555 INFO L899 garLoopResultBuilder]: For program point L219-3(line 219) no Hoare annotation was computed. [2022-11-25 18:01:50,556 INFO L899 garLoopResultBuilder]: For program point L219-4(lines 219 223) no Hoare annotation was computed. [2022-11-25 18:01:50,556 INFO L899 garLoopResultBuilder]: For program point L21(lines 21 23) no Hoare annotation was computed. [2022-11-25 18:01:50,556 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 214) no Hoare annotation was computed. [2022-11-25 18:01:50,556 INFO L899 garLoopResultBuilder]: For program point L137(lines 137 201) no Hoare annotation was computed. [2022-11-25 18:01:50,556 INFO L899 garLoopResultBuilder]: For program point L137-1(lines 137 201) no Hoare annotation was computed. [2022-11-25 18:01:50,556 INFO L899 garLoopResultBuilder]: For program point L88(lines 88 103) no Hoare annotation was computed. [2022-11-25 18:01:50,557 INFO L899 garLoopResultBuilder]: For program point L22(line 22) no Hoare annotation was computed. [2022-11-25 18:01:50,557 INFO L895 garLoopResultBuilder]: At program point L88-2(lines 82 106) the Hoare annotation is: (let ((.cse2 (= ~st2~0 1))) (let ((.cse0 (= ~st3~0 1)) (.cse3 (<= 0 ~st2~0)) (.cse4 (let ((.cse7 (<= 0 (+ ~st3~0 ~st2~0 ~st1~0))) (.cse8 (<= ~st1~0 0)) (.cse9 (<= 0 ~st1~0))) (or (let ((.cse10 (+ ~st2~0 ~st1~0))) (and .cse7 .cse8 .cse9 (<= .cse10 0) (<= 0 .cse10))) (and .cse2 .cse7 .cse8 .cse9)))) (.cse1 (= ~st1~0 1)) (.cse5 (<= 0 ~st3~0))) (or (and .cse0 (or (and .cse1 .cse2 .cse3) (and .cse1 .cse3 (<= ~st2~0 0)))) (and .cse0 .cse4) (and .cse1 .cse3 (<= (+ ~st3~0 ~st2~0) 0) .cse5) (let ((.cse6 (+ ~st3~0 ~st1~0))) (and (<= 0 .cse6) .cse4 (<= .cse6 0))) (and .cse1 .cse2 (<= ~st3~0 0) .cse5)))) [2022-11-25 18:01:50,557 INFO L899 garLoopResultBuilder]: For program point L138(lines 138 198) no Hoare annotation was computed. [2022-11-25 18:01:50,557 INFO L899 garLoopResultBuilder]: For program point L287(line 287) no Hoare annotation was computed. [2022-11-25 18:01:50,558 INFO L899 garLoopResultBuilder]: For program point L139(lines 139 195) no Hoare annotation was computed. [2022-11-25 18:01:50,558 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 78) no Hoare annotation was computed. [2022-11-25 18:01:50,558 INFO L895 garLoopResultBuilder]: At program point L57-2(lines 51 81) the Hoare annotation is: (let ((.cse2 (= ~st2~0 1))) (let ((.cse0 (= ~st3~0 1)) (.cse3 (<= 0 ~st2~0)) (.cse4 (let ((.cse7 (<= 0 (+ ~st3~0 ~st2~0 ~st1~0))) (.cse8 (<= ~st1~0 0)) (.cse9 (<= 0 ~st1~0))) (or (let ((.cse10 (+ ~st2~0 ~st1~0))) (and .cse7 .cse8 .cse9 (<= .cse10 0) (<= 0 .cse10))) (and .cse2 .cse7 .cse8 .cse9)))) (.cse1 (= ~st1~0 1)) (.cse5 (<= 0 ~st3~0))) (or (and .cse0 (or (and .cse1 .cse2 .cse3) (and .cse1 .cse3 (<= ~st2~0 0)))) (and .cse0 .cse4) (and .cse1 .cse3 (<= (+ ~st3~0 ~st2~0) 0) .cse5) (let ((.cse6 (+ ~st3~0 ~st1~0))) (and (<= 0 .cse6) .cse4 (<= .cse6 0))) (and .cse1 .cse2 (<= ~st3~0 0) .cse5)))) [2022-11-25 18:01:50,558 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 219) no Hoare annotation was computed. [2022-11-25 18:01:50,558 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 192) no Hoare annotation was computed. [2022-11-25 18:01:50,559 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 18:01:50,559 INFO L899 garLoopResultBuilder]: For program point L91(lines 91 98) no Hoare annotation was computed. [2022-11-25 18:01:50,559 INFO L899 garLoopResultBuilder]: For program point L58(lines 58 60) no Hoare annotation was computed. [2022-11-25 18:01:50,559 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 91 98) no Hoare annotation was computed. [2022-11-25 18:01:50,559 INFO L899 garLoopResultBuilder]: For program point L58-2(lines 58 60) no Hoare annotation was computed. [2022-11-25 18:01:50,560 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 219) no Hoare annotation was computed. [2022-11-25 18:01:50,560 INFO L899 garLoopResultBuilder]: For program point L141(lines 141 189) no Hoare annotation was computed. [2022-11-25 18:01:50,560 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 210) no Hoare annotation was computed. [2022-11-25 18:01:50,560 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 97) no Hoare annotation was computed. [2022-11-25 18:01:50,560 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 186) no Hoare annotation was computed. [2022-11-25 18:01:50,560 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 214) no Hoare annotation was computed. [2022-11-25 18:01:50,561 INFO L899 garLoopResultBuilder]: For program point L143(lines 143 183) no Hoare annotation was computed. [2022-11-25 18:01:50,561 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 214) no Hoare annotation was computed. [2022-11-25 18:01:50,561 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 61) no Hoare annotation was computed. [2022-11-25 18:01:50,561 INFO L899 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2022-11-25 18:01:50,561 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-25 18:01:50,561 INFO L899 garLoopResultBuilder]: For program point L210(line 210) no Hoare annotation was computed. [2022-11-25 18:01:50,562 INFO L899 garLoopResultBuilder]: For program point L210-1(line 210) no Hoare annotation was computed. [2022-11-25 18:01:50,562 INFO L899 garLoopResultBuilder]: For program point L144(lines 144 180) no Hoare annotation was computed. [2022-11-25 18:01:50,562 INFO L899 garLoopResultBuilder]: For program point L210-2(line 210) no Hoare annotation was computed. [2022-11-25 18:01:50,562 INFO L899 garLoopResultBuilder]: For program point L210-3(line 210) no Hoare annotation was computed. [2022-11-25 18:01:50,562 INFO L899 garLoopResultBuilder]: For program point L210-4(lines 210 229) no Hoare annotation was computed. [2022-11-25 18:01:50,562 INFO L899 garLoopResultBuilder]: For program point L210-5(lines 210 229) no Hoare annotation was computed. [2022-11-25 18:01:50,563 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 61) no Hoare annotation was computed. [2022-11-25 18:01:50,563 INFO L899 garLoopResultBuilder]: For program point L95(lines 95 97) no Hoare annotation was computed. [2022-11-25 18:01:50,563 INFO L899 garLoopResultBuilder]: For program point L211(lines 211 226) no Hoare annotation was computed. [2022-11-25 18:01:50,563 INFO L899 garLoopResultBuilder]: For program point L145(lines 145 177) no Hoare annotation was computed. [2022-11-25 18:01:50,563 INFO L895 garLoopResultBuilder]: At program point L278(lines 233 279) the Hoare annotation is: false [2022-11-25 18:01:50,564 INFO L899 garLoopResultBuilder]: For program point L146(lines 146 174) no Hoare annotation was computed. [2022-11-25 18:01:50,564 INFO L899 garLoopResultBuilder]: For program point L113(lines 113 128) no Hoare annotation was computed. [2022-11-25 18:01:50,564 INFO L895 garLoopResultBuilder]: At program point L113-2(lines 107 131) the Hoare annotation is: (let ((.cse2 (= ~st2~0 1))) (let ((.cse0 (= ~st3~0 1)) (.cse3 (<= 0 ~st2~0)) (.cse4 (let ((.cse7 (<= 0 (+ ~st3~0 ~st2~0 ~st1~0))) (.cse8 (<= ~st1~0 0)) (.cse9 (<= 0 ~st1~0))) (or (let ((.cse10 (+ ~st2~0 ~st1~0))) (and .cse7 .cse8 .cse9 (<= .cse10 0) (<= 0 .cse10))) (and .cse2 .cse7 .cse8 .cse9)))) (.cse1 (= ~st1~0 1)) (.cse5 (<= 0 ~st3~0))) (or (and .cse0 (or (and .cse1 .cse2 .cse3) (and .cse1 .cse3 (<= ~st2~0 0)))) (and .cse0 .cse4) (and .cse1 .cse3 (<= (+ ~st3~0 ~st2~0) 0) .cse5) (let ((.cse6 (+ ~st3~0 ~st1~0))) (and (<= 0 .cse6) .cse4 (<= .cse6 0))) (and .cse1 .cse2 (<= ~st3~0 0) .cse5)))) [2022-11-25 18:01:50,564 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 219) no Hoare annotation was computed. [2022-11-25 18:01:50,565 INFO L895 garLoopResultBuilder]: At program point L262-2(lines 262 276) the Hoare annotation is: (let ((.cse2 (= ~st2~0 1))) (let ((.cse0 (= ~st3~0 1)) (.cse3 (<= 0 ~st2~0)) (.cse4 (let ((.cse7 (<= 0 (+ ~st3~0 ~st2~0 ~st1~0))) (.cse8 (<= ~st1~0 0)) (.cse9 (<= 0 ~st1~0))) (or (let ((.cse10 (+ ~st2~0 ~st1~0))) (and .cse7 .cse8 .cse9 (<= .cse10 0) (<= 0 .cse10))) (and .cse2 .cse7 .cse8 .cse9)))) (.cse1 (= ~st1~0 1)) (.cse5 (<= 0 ~st3~0))) (or (and .cse0 (or (and .cse1 .cse2 .cse3) (and .cse1 .cse3 (<= ~st2~0 0)))) (and .cse0 .cse4) (and .cse1 .cse3 (<= (+ ~st3~0 ~st2~0) 0) .cse5) (let ((.cse6 (+ ~st3~0 ~st1~0))) (and (<= 0 .cse6) .cse4 (<= .cse6 0))) (and .cse1 .cse2 (<= ~st3~0 0) .cse5)))) [2022-11-25 18:01:50,565 INFO L899 garLoopResultBuilder]: For program point L262-3(lines 262 276) no Hoare annotation was computed. [2022-11-25 18:01:50,565 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 73) no Hoare annotation was computed. [2022-11-25 18:01:50,565 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 64 73) no Hoare annotation was computed. [2022-11-25 18:01:50,565 INFO L899 garLoopResultBuilder]: For program point L147(lines 147 171) no Hoare annotation was computed. [2022-11-25 18:01:50,566 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 219) no Hoare annotation was computed. [2022-11-25 18:01:50,566 INFO L895 garLoopResultBuilder]: At program point L230(lines 205 232) the Hoare annotation is: (let ((.cse2 (= ~st2~0 1))) (let ((.cse0 (= ~st3~0 1)) (.cse3 (<= 0 ~st2~0)) (.cse4 (let ((.cse7 (<= 0 (+ ~st3~0 ~st2~0 ~st1~0))) (.cse8 (<= ~st1~0 0)) (.cse9 (<= 0 ~st1~0))) (or (let ((.cse10 (+ ~st2~0 ~st1~0))) (and .cse7 .cse8 .cse9 (<= .cse10 0) (<= 0 .cse10))) (and .cse2 .cse7 .cse8 .cse9)))) (.cse1 (= ~st1~0 1)) (.cse5 (<= 0 ~st3~0))) (or (and .cse0 (or (and .cse1 .cse2 .cse3) (and .cse1 .cse3 (<= ~st2~0 0)))) (and .cse0 .cse4) (and .cse1 .cse3 (<= (+ ~st3~0 ~st2~0) 0) .cse5) (let ((.cse6 (+ ~st3~0 ~st1~0))) (and (<= 0 .cse6) .cse4 (<= .cse6 0))) (and .cse1 .cse2 (<= ~st3~0 0) .cse5)))) [2022-11-25 18:01:50,566 INFO L899 garLoopResultBuilder]: For program point L65(lines 65 72) no Hoare annotation was computed. [2022-11-25 18:01:50,566 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-25 18:01:50,567 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 210) no Hoare annotation was computed. [2022-11-25 18:01:50,567 INFO L899 garLoopResultBuilder]: For program point L280(lines 280 291) no Hoare annotation was computed. [2022-11-25 18:01:50,567 INFO L899 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2022-11-25 18:01:50,567 INFO L899 garLoopResultBuilder]: For program point L214-1(line 214) no Hoare annotation was computed. [2022-11-25 18:01:50,567 INFO L899 garLoopResultBuilder]: For program point L148(lines 148 168) no Hoare annotation was computed. [2022-11-25 18:01:50,567 INFO L899 garLoopResultBuilder]: For program point L214-2(line 214) no Hoare annotation was computed. [2022-11-25 18:01:50,568 INFO L899 garLoopResultBuilder]: For program point L214-3(line 214) no Hoare annotation was computed. [2022-11-25 18:01:50,568 INFO L899 garLoopResultBuilder]: For program point L214-4(lines 214 226) no Hoare annotation was computed. [2022-11-25 18:01:50,568 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 210) no Hoare annotation was computed. [2022-11-25 18:01:50,568 INFO L895 garLoopResultBuilder]: At program point L215(lines 211 226) the Hoare annotation is: (let ((.cse2 (= ~st3~0 1)) (.cse0 (= ~st1~0 1)) (.cse1 (<= 0 ~st2~0)) (.cse3 (let ((.cse5 (<= 0 (+ ~st3~0 ~st2~0 ~st1~0))) (.cse6 (<= ~st1~0 0)) (.cse7 (<= 0 ~st1~0))) (or (let ((.cse8 (+ ~st2~0 ~st1~0))) (and .cse5 .cse6 .cse7 (<= .cse8 0) (<= 0 .cse8))) (and (= ~st2~0 1) .cse5 .cse6 .cse7))))) (or (and .cse0 .cse1 .cse2 (<= ~st2~0 0)) (and .cse2 .cse3) (and .cse0 .cse1 (<= (+ ~st3~0 ~st2~0) 0) (<= 0 ~st3~0)) (let ((.cse4 (+ ~st3~0 ~st1~0))) (and (<= 0 .cse4) .cse3 (<= .cse4 0))))) [2022-11-25 18:01:50,568 INFO L899 garLoopResultBuilder]: For program point L149(lines 149 165) no Hoare annotation was computed. [2022-11-25 18:01:50,569 INFO L899 garLoopResultBuilder]: For program point L116(lines 116 123) no Hoare annotation was computed. [2022-11-25 18:01:50,569 INFO L899 garLoopResultBuilder]: For program point L116-1(lines 116 123) no Hoare annotation was computed. [2022-11-25 18:01:50,569 INFO L899 garLoopResultBuilder]: For program point L150(lines 150 162) no Hoare annotation was computed. [2022-11-25 18:01:50,569 INFO L899 garLoopResultBuilder]: For program point L117(lines 117 122) no Hoare annotation was computed. [2022-11-25 18:01:50,569 INFO L899 garLoopResultBuilder]: For program point L68(lines 68 72) no Hoare annotation was computed. [2022-11-25 18:01:50,573 INFO L445 BasicCegarLoop]: Path program 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, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:01:50,576 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 18:01:50,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 06:01:50 BoogieIcfgContainer [2022-11-25 18:01:50,610 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 18:01:50,611 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 18:01:50,611 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 18:01:50,612 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 18:01:50,612 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:00:26" (3/4) ... [2022-11-25 18:01:50,616 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 18:01:50,631 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-25 18:01:50,632 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-25 18:01:50,633 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-25 18:01:50,633 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 18:01:50,661 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (tmp == 0 && \result == 0) || (((((((256 * (mode2 / 256) == mode2 && 256 * (mode1 / 256) == mode1) && 256 * (mode3 / 256) == mode3) && st2 <= 0) && st3 + st1 <= 0) && r1 <= r1 / 256 * 256) && 0 <= st2 + st1) && 0 <= st3) [2022-11-25 18:01:50,689 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e66bf2b-bd7b-468b-9520-c91867b64eff/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 18:01:50,690 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 18:01:50,690 INFO L158 Benchmark]: Toolchain (without parser) took 85600.32ms. Allocated memory was 151.0MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 116.6MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 340.9MB. Max. memory is 16.1GB. [2022-11-25 18:01:50,691 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 119.5MB. Free memory was 81.9MB in the beginning and 81.9MB in the end (delta: 29.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:01:50,691 INFO L158 Benchmark]: CACSL2BoogieTranslator took 311.67ms. Allocated memory is still 151.0MB. Free memory was 116.6MB in the beginning and 103.5MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 18:01:50,691 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.57ms. Allocated memory is still 151.0MB. Free memory was 103.5MB in the beginning and 101.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:01:50,692 INFO L158 Benchmark]: Boogie Preprocessor took 36.30ms. Allocated memory is still 151.0MB. Free memory was 101.4MB in the beginning and 99.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:01:50,692 INFO L158 Benchmark]: RCFGBuilder took 686.04ms. Allocated memory is still 151.0MB. Free memory was 99.8MB in the beginning and 80.0MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-25 18:01:50,692 INFO L158 Benchmark]: TraceAbstraction took 84439.64ms. Allocated memory was 151.0MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 78.9MB in the beginning and 1.4GB in the end (delta: -1.4GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2022-11-25 18:01:50,692 INFO L158 Benchmark]: Witness Printer took 78.73ms. Allocated memory is still 1.8GB. Free memory was 1.4GB in the beginning and 1.4GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-25 18:01:50,694 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 119.5MB. Free memory was 81.9MB in the beginning and 81.9MB in the end (delta: 29.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 311.67ms. Allocated memory is still 151.0MB. Free memory was 116.6MB in the beginning and 103.5MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.57ms. Allocated memory is still 151.0MB. Free memory was 103.5MB in the beginning and 101.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.30ms. Allocated memory is still 151.0MB. Free memory was 101.4MB in the beginning and 99.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 686.04ms. Allocated memory is still 151.0MB. Free memory was 99.8MB in the beginning and 80.0MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 84439.64ms. Allocated memory was 151.0MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 78.9MB in the beginning and 1.4GB in the end (delta: -1.4GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. * Witness Printer took 78.73ms. Allocated memory is still 1.8GB. Free memory was 1.4GB in the beginning and 1.4GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. 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: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 210]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 210]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 210]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 210]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 214]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 214]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 214]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 214]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 219]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 219]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 219]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 219]: 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, 84 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 84.3s, OverallIterations: 35, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 13.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 57.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5109 SdHoareTripleChecker+Valid, 3.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5109 mSDsluCounter, 9907 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5161 mSDsCounter, 202 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3525 IncrementalHoareTripleChecker+Invalid, 3727 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 202 mSolverCounterUnsat, 4746 mSDtfsCounter, 3525 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 160 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9317occurred in iteration=21, InterpolantAutomatonStates: 164, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 8.9s AutomataMinimizationTime, 35 MinimizatonAttempts, 7602 StatesRemovedByMinimization, 29 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 882 NumberOfFragments, 923 HoareAnnotationTreeSize, 8 FomulaSimplifications, 78742 FormulaSimplificationTreeSizeReduction, 31.3s HoareSimplificationTime, 8 FomulaSimplificationsInter, 245110 FormulaSimplificationTreeSizeReductionInter, 26.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 2160 NumberOfCodeBlocks, 2160 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 2125 ConstructedInterpolants, 0 QuantifiedInterpolants, 8417 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 35 PerfectInterpolantSequences, 619/619 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 14 specifications checked. All of them hold - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: (tmp == 0 && \result == 0) || (((((((256 * (mode2 / 256) == mode2 && 256 * (mode1 / 256) == mode1) && 256 * (mode3 / 256) == mode3) && st2 <= 0) && st3 + st1 <= 0) && r1 <= r1 / 256 * 256) && 0 <= st2 + st1) && 0 <= st3) - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: ((((st3 == 1 && (((st1 == 1 && st2 == 1) && 0 <= st2) || ((st1 == 1 && 0 <= st2) && st2 <= 0))) || (st3 == 1 && (((((0 <= st3 + st2 + st1 && st1 <= 0) && 0 <= st1) && st2 + st1 <= 0) && 0 <= st2 + st1) || (((st2 == 1 && 0 <= st3 + st2 + st1) && st1 <= 0) && 0 <= st1)))) || (((st1 == 1 && 0 <= st2) && st3 + st2 <= 0) && 0 <= st3)) || ((0 <= st3 + st1 && (((((0 <= st3 + st2 + st1 && st1 <= 0) && 0 <= st1) && st2 + st1 <= 0) && 0 <= st2 + st1) || (((st2 == 1 && 0 <= st3 + st2 + st1) && st1 <= 0) && 0 <= st1))) && st3 + st1 <= 0)) || (((st1 == 1 && st2 == 1) && st3 <= 0) && 0 <= st3) - InvariantResult [Line: 82]: Loop Invariant Derived loop invariant: ((((st3 == 1 && (((st1 == 1 && st2 == 1) && 0 <= st2) || ((st1 == 1 && 0 <= st2) && st2 <= 0))) || (st3 == 1 && (((((0 <= st3 + st2 + st1 && st1 <= 0) && 0 <= st1) && st2 + st1 <= 0) && 0 <= st2 + st1) || (((st2 == 1 && 0 <= st3 + st2 + st1) && st1 <= 0) && 0 <= st1)))) || (((st1 == 1 && 0 <= st2) && st3 + st2 <= 0) && 0 <= st3)) || ((0 <= st3 + st1 && (((((0 <= st3 + st2 + st1 && st1 <= 0) && 0 <= st1) && st2 + st1 <= 0) && 0 <= st2 + st1) || (((st2 == 1 && 0 <= st3 + st2 + st1) && st1 <= 0) && 0 <= st1))) && st3 + st1 <= 0)) || (((st1 == 1 && st2 == 1) && st3 <= 0) && 0 <= st3) - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: ((((st3 == 1 && (((st1 == 1 && st2 == 1) && 0 <= st2) || ((st1 == 1 && 0 <= st2) && st2 <= 0))) || (st3 == 1 && (((((0 <= st3 + st2 + st1 && st1 <= 0) && 0 <= st1) && st2 + st1 <= 0) && 0 <= st2 + st1) || (((st2 == 1 && 0 <= st3 + st2 + st1) && st1 <= 0) && 0 <= st1)))) || (((st1 == 1 && 0 <= st2) && st3 + st2 <= 0) && 0 <= st3)) || ((0 <= st3 + st1 && (((((0 <= st3 + st2 + st1 && st1 <= 0) && 0 <= st1) && st2 + st1 <= 0) && 0 <= st2 + st1) || (((st2 == 1 && 0 <= st3 + st2 + st1) && st1 <= 0) && 0 <= st1))) && st3 + st1 <= 0)) || (((st1 == 1 && st2 == 1) && st3 <= 0) && 0 <= st3) - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: ((((st3 == 1 && (((st1 == 1 && st2 == 1) && 0 <= st2) || ((st1 == 1 && 0 <= st2) && st2 <= 0))) || (st3 == 1 && (((((0 <= st3 + st2 + st1 && st1 <= 0) && 0 <= st1) && st2 + st1 <= 0) && 0 <= st2 + st1) || (((st2 == 1 && 0 <= st3 + st2 + st1) && st1 <= 0) && 0 <= st1)))) || (((st1 == 1 && 0 <= st2) && st3 + st2 <= 0) && 0 <= st3)) || ((0 <= st3 + st1 && (((((0 <= st3 + st2 + st1 && st1 <= 0) && 0 <= st1) && st2 + st1 <= 0) && 0 <= st2 + st1) || (((st2 == 1 && 0 <= st3 + st2 + st1) && st1 <= 0) && 0 <= st1))) && st3 + st1 <= 0)) || (((st1 == 1 && st2 == 1) && st3 <= 0) && 0 <= st3) - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: (((((st1 == 1 && 0 <= st2) && st3 == 1) && st2 <= 0) || (st3 == 1 && (((((0 <= st3 + st2 + st1 && st1 <= 0) && 0 <= st1) && st2 + st1 <= 0) && 0 <= st2 + st1) || (((st2 == 1 && 0 <= st3 + st2 + st1) && st1 <= 0) && 0 <= st1)))) || (((st1 == 1 && 0 <= st2) && st3 + st2 <= 0) && 0 <= st3)) || ((0 <= st3 + st1 && (((((0 <= st3 + st2 + st1 && st1 <= 0) && 0 <= st1) && st2 + st1 <= 0) && 0 <= st2 + st1) || (((st2 == 1 && 0 <= st3 + st2 + st1) && st1 <= 0) && 0 <= st1))) && st3 + st1 <= 0) - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: ((((st3 == 1 && (((st1 == 1 && st2 == 1) && 0 <= st2) || ((st1 == 1 && 0 <= st2) && st2 <= 0))) || (st3 == 1 && (((((0 <= st3 + st2 + st1 && st1 <= 0) && 0 <= st1) && st2 + st1 <= 0) && 0 <= st2 + st1) || (((st2 == 1 && 0 <= st3 + st2 + st1) && st1 <= 0) && 0 <= st1)))) || (((st1 == 1 && 0 <= st2) && st3 + st2 <= 0) && 0 <= st3)) || ((0 <= st3 + st1 && (((((0 <= st3 + st2 + st1 && st1 <= 0) && 0 <= st1) && st2 + st1 <= 0) && 0 <= st2 + st1) || (((st2 == 1 && 0 <= st3 + st2 + st1) && st1 <= 0) && 0 <= st1))) && st3 + st1 <= 0)) || (((st1 == 1 && st2 == 1) && st3 <= 0) && 0 <= st3) - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-11-25 18:01:50,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e66bf2b-bd7b-468b-9520-c91867b64eff/bin/uautomizer-ZsLfNo2U6R/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