./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/bin/uautomizer-ug76WZFUDN --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 8f0362e5bdd04ddb68671929eb7c82f3a55838c2357b753aa3b8d313416b3614 --- 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-6b4ec56 [2022-11-20 09:34:24,119 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 09:34:24,121 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 09:34:24,163 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 09:34:24,164 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 09:34:24,168 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 09:34:24,172 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 09:34:24,175 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 09:34:24,178 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 09:34:24,184 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 09:34:24,187 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 09:34:24,190 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 09:34:24,191 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 09:34:24,194 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 09:34:24,196 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 09:34:24,201 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 09:34:24,203 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 09:34:24,204 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 09:34:24,206 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 09:34:24,214 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 09:34:24,217 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 09:34:24,219 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 09:34:24,221 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 09:34:24,222 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 09:34:24,233 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 09:34:24,235 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 09:34:24,235 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 09:34:24,238 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 09:34:24,239 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 09:34:24,241 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 09:34:24,242 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 09:34:24,245 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 09:34:24,248 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 09:34:24,251 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 09:34:24,253 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 09:34:24,254 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 09:34:24,255 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 09:34:24,255 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 09:34:24,256 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 09:34:24,258 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 09:34:24,259 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 09:34:24,260 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-20 09:34:24,313 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 09:34:24,313 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 09:34:24,314 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 09:34:24,315 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 09:34:24,316 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 09:34:24,316 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 09:34:24,317 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 09:34:24,318 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 09:34:24,318 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 09:34:24,318 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 09:34:24,320 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 09:34:24,320 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 09:34:24,320 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 09:34:24,320 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 09:34:24,321 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 09:34:24,321 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 09:34:24,321 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 09:34:24,321 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 09:34:24,322 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 09:34:24,322 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 09:34:24,322 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 09:34:24,323 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 09:34:24,323 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 09:34:24,323 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 09:34:24,323 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 09:34:24,324 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 09:34:24,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:34:24,324 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 09:34:24,325 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 09:34:24,326 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 09:34:24,326 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 09:34:24,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 09:34:24,327 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 09:34:24,327 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 09:34:24,327 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 09:34:24,328 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f0362e5bdd04ddb68671929eb7c82f3a55838c2357b753aa3b8d313416b3614 [2022-11-20 09:34:24,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 09:34:24,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 09:34:24,656 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 09:34:24,658 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 09:34:24,658 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 09:34:24,660 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2022-11-20 09:34:28,103 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 09:34:28,326 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 09:34:28,335 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2022-11-20 09:34:28,344 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/bin/uautomizer-ug76WZFUDN/data/ac1d440eb/9463d86be0bb4a7e93730d1ce2c2add6/FLAG4c22300bd [2022-11-20 09:34:28,363 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/bin/uautomizer-ug76WZFUDN/data/ac1d440eb/9463d86be0bb4a7e93730d1ce2c2add6 [2022-11-20 09:34:28,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 09:34:28,368 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 09:34:28,370 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 09:34:28,370 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 09:34:28,375 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 09:34:28,376 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:34:28" (1/1) ... [2022-11-20 09:34:28,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fb8095f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:28, skipping insertion in model container [2022-11-20 09:34:28,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:34:28" (1/1) ... [2022-11-20 09:34:28,387 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 09:34:28,440 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:34:28,701 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_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1066,1079] [2022-11-20 09:34:28,705 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_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1266,1279] [2022-11-20 09:34:28,709 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_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1613,1626] [2022-11-20 09:34:28,720 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_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1813,1826] [2022-11-20 09:34:28,725 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_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2024,2037] [2022-11-20 09:34:28,731 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_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2224,2237] [2022-11-20 09:34:28,734 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_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2629,2642] [2022-11-20 09:34:28,736 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_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2829,2842] [2022-11-20 09:34:28,738 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_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3040,3053] [2022-11-20 09:34:28,744 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_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3243,3256] [2022-11-20 09:34:28,756 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_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3583,3596] [2022-11-20 09:34:28,759 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_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3786,3799] [2022-11-20 09:34:28,764 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_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4000,4013] [2022-11-20 09:34:28,770 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_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4203,4216] [2022-11-20 09:34:28,775 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_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4547,4560] [2022-11-20 09:34:28,778 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_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4750,4763] [2022-11-20 09:34:28,790 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:34:28,807 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 09:34:28,833 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_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1066,1079] [2022-11-20 09:34:28,836 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_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1266,1279] [2022-11-20 09:34:28,839 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_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1613,1626] [2022-11-20 09:34:28,849 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_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[1813,1826] [2022-11-20 09:34:28,850 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_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2024,2037] [2022-11-20 09:34:28,852 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_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2224,2237] [2022-11-20 09:34:28,854 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_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2629,2642] [2022-11-20 09:34:28,855 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_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[2829,2842] [2022-11-20 09:34:28,857 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_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3040,3053] [2022-11-20 09:34:28,858 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_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3243,3256] [2022-11-20 09:34:28,872 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_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3583,3596] [2022-11-20 09:34:28,874 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_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[3786,3799] [2022-11-20 09:34:28,878 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_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4000,4013] [2022-11-20 09:34:28,880 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_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4203,4216] [2022-11-20 09:34:28,886 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_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4547,4560] [2022-11-20 09:34:28,888 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_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c[4750,4763] [2022-11-20 09:34:28,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:34:28,921 INFO L208 MainTranslator]: Completed translation [2022-11-20 09:34:28,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:28 WrapperNode [2022-11-20 09:34:28,922 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 09:34:28,924 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 09:34:28,924 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 09:34:28,925 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 09:34:28,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:28" (1/1) ... [2022-11-20 09:34:28,945 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:28" (1/1) ... [2022-11-20 09:34:28,991 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 212 [2022-11-20 09:34:28,991 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 09:34:28,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 09:34:28,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 09:34:28,992 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 09:34:29,011 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:28" (1/1) ... [2022-11-20 09:34:29,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:28" (1/1) ... [2022-11-20 09:34:29,014 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:28" (1/1) ... [2022-11-20 09:34:29,015 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:28" (1/1) ... [2022-11-20 09:34:29,019 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:28" (1/1) ... [2022-11-20 09:34:29,022 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:28" (1/1) ... [2022-11-20 09:34:29,037 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:28" (1/1) ... [2022-11-20 09:34:29,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:28" (1/1) ... [2022-11-20 09:34:29,041 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 09:34:29,054 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 09:34:29,054 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 09:34:29,055 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 09:34:29,056 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:28" (1/1) ... [2022-11-20 09:34:29,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:34:29,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:29,094 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:29,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 09:34:29,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 09:34:29,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 09:34:29,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 09:34:29,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 09:34:29,262 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 09:34:29,265 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 09:34:29,637 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 09:34:29,643 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 09:34:29,643 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 09:34:29,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:34:29 BoogieIcfgContainer [2022-11-20 09:34:29,659 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 09:34:29,661 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 09:34:29,662 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 09:34:29,665 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 09:34:29,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:34:28" (1/3) ... [2022-11-20 09:34:29,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@409a905 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:34:29, skipping insertion in model container [2022-11-20 09:34:29,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:28" (2/3) ... [2022-11-20 09:34:29,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@409a905 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:34:29, skipping insertion in model container [2022-11-20 09:34:29,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:34:29" (3/3) ... [2022-11-20 09:34:29,669 INFO L112 eAbstractionObserver]: Analyzing ICFG SpamAssassin-loop.i.v+cfa-reducer.c [2022-11-20 09:34:29,689 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 09:34:29,690 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2022-11-20 09:34:29,744 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 09:34:29,751 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;@55b5d5a9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 09:34:29,751 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-11-20 09:34:29,756 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 47 states have (on average 1.8936170212765957) internal successors, (89), 67 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:29,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 09:34:29,762 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:34:29,763 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-20 09:34:29,764 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-20 09:34:29,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:29,770 INFO L85 PathProgramCache]: Analyzing trace with hash 925668, now seen corresponding path program 1 times [2022-11-20 09:34:29,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:29,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253666097] [2022-11-20 09:34:29,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:29,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:29,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:30,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:34:30,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:34:30,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253666097] [2022-11-20 09:34:30,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253666097] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:34:30,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:34:30,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:34:30,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064713290] [2022-11-20 09:34:30,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:34:30,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:34:30,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:34:30,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:34:30,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:34:30,136 INFO L87 Difference]: Start difference. First operand has 68 states, 47 states have (on average 1.8936170212765957) internal successors, (89), 67 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:30,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:34:30,220 INFO L93 Difference]: Finished difference Result 71 states and 91 transitions. [2022-11-20 09:34:30,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:34:30,227 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-20 09:34:30,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:34:30,236 INFO L225 Difference]: With dead ends: 71 [2022-11-20 09:34:30,236 INFO L226 Difference]: Without dead ends: 64 [2022-11-20 09:34:30,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:34:30,243 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 69 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:34:30,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 64 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 09:34:30,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-11-20 09:34:30,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2022-11-20 09:34:30,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 45 states have (on average 1.511111111111111) internal successors, (68), 63 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:30,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 68 transitions. [2022-11-20 09:34:30,297 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 68 transitions. Word has length 4 [2022-11-20 09:34:30,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:34:30,298 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 68 transitions. [2022-11-20 09:34:30,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:30,298 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2022-11-20 09:34:30,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 09:34:30,299 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:34:30,299 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-20 09:34:30,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 09:34:30,300 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-20 09:34:30,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:30,303 INFO L85 PathProgramCache]: Analyzing trace with hash 28695749, now seen corresponding path program 1 times [2022-11-20 09:34:30,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:30,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182470839] [2022-11-20 09:34:30,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:30,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:30,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:30,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:34:30,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:34:30,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182470839] [2022-11-20 09:34:30,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182470839] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:34:30,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:34:30,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:34:30,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212082678] [2022-11-20 09:34:30,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:34:30,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:34:30,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:34:30,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:34:30,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:34:30,398 INFO L87 Difference]: Start difference. First operand 64 states and 68 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:30,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:34:30,436 INFO L93 Difference]: Finished difference Result 64 states and 68 transitions. [2022-11-20 09:34:30,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:34:30,439 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-20 09:34:30,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:34:30,440 INFO L225 Difference]: With dead ends: 64 [2022-11-20 09:34:30,440 INFO L226 Difference]: Without dead ends: 63 [2022-11-20 09:34:30,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:34:30,442 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 63 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:34:30,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 62 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:34:30,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-11-20 09:34:30,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-11-20 09:34:30,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 45 states have (on average 1.488888888888889) internal successors, (67), 62 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:30,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 67 transitions. [2022-11-20 09:34:30,456 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 67 transitions. Word has length 5 [2022-11-20 09:34:30,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:34:30,457 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 67 transitions. [2022-11-20 09:34:30,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:30,458 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2022-11-20 09:34:30,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 09:34:30,459 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:34:30,459 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:34:30,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 09:34:30,459 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-20 09:34:30,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:30,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1179985259, now seen corresponding path program 1 times [2022-11-20 09:34:30,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:30,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630614706] [2022-11-20 09:34:30,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:30,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:30,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:30,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:34:30,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:34:30,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630614706] [2022-11-20 09:34:30,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630614706] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:34:30,599 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:34:30,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:34:30,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764259896] [2022-11-20 09:34:30,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:34:30,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:34:30,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:34:30,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:34:30,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:34:30,602 INFO L87 Difference]: Start difference. First operand 63 states and 67 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:30,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:34:30,755 INFO L93 Difference]: Finished difference Result 103 states and 111 transitions. [2022-11-20 09:34:30,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:34:30,756 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-20 09:34:30,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:34:30,759 INFO L225 Difference]: With dead ends: 103 [2022-11-20 09:34:30,759 INFO L226 Difference]: Without dead ends: 95 [2022-11-20 09:34:30,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:34:30,761 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 31 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:34:30,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 78 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 09:34:30,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2022-11-20 09:34:30,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 91. [2022-11-20 09:34:30,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 73 states have (on average 1.4109589041095891) internal successors, (103), 90 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:30,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 103 transitions. [2022-11-20 09:34:30,777 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 103 transitions. Word has length 9 [2022-11-20 09:34:30,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:34:30,777 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 103 transitions. [2022-11-20 09:34:30,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:30,778 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 103 transitions. [2022-11-20 09:34:30,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 09:34:30,779 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:34:30,779 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:34:30,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 09:34:30,780 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-20 09:34:30,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:30,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1478932108, now seen corresponding path program 1 times [2022-11-20 09:34:30,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:30,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633148181] [2022-11-20 09:34:30,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:30,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:30,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:30,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:34:30,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:34:30,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633148181] [2022-11-20 09:34:30,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633148181] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:34:30,858 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:34:30,858 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:34:30,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919702691] [2022-11-20 09:34:30,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:34:30,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:34:30,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:34:30,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:34:30,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:34:30,861 INFO L87 Difference]: Start difference. First operand 91 states and 103 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:30,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:34:30,941 INFO L93 Difference]: Finished difference Result 124 states and 140 transitions. [2022-11-20 09:34:30,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:34:30,942 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-20 09:34:30,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:34:30,943 INFO L225 Difference]: With dead ends: 124 [2022-11-20 09:34:30,943 INFO L226 Difference]: Without dead ends: 120 [2022-11-20 09:34:30,944 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:34:30,945 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 19 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:34:30,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 95 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 09:34:30,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2022-11-20 09:34:30,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 114. [2022-11-20 09:34:30,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 96 states have (on average 1.3541666666666667) internal successors, (130), 113 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:30,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 130 transitions. [2022-11-20 09:34:30,975 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 130 transitions. Word has length 17 [2022-11-20 09:34:30,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:34:30,976 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 130 transitions. [2022-11-20 09:34:30,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:30,977 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 130 transitions. [2022-11-20 09:34:30,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 09:34:30,977 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:34:30,978 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:34:30,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 09:34:30,978 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-20 09:34:30,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:30,979 INFO L85 PathProgramCache]: Analyzing trace with hash -196465665, now seen corresponding path program 1 times [2022-11-20 09:34:30,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:30,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999051043] [2022-11-20 09:34:30,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:30,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:30,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:31,126 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:34:31,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:34:31,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999051043] [2022-11-20 09:34:31,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999051043] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:34:31,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2054000130] [2022-11-20 09:34:31,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:31,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:34:31,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:31,158 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:34:31,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 09:34:31,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:31,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 09:34:31,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:31,347 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:34:31,348 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:34:31,413 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:34:31,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2054000130] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:34:31,414 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 09:34:31,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2022-11-20 09:34:31,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631556326] [2022-11-20 09:34:31,415 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 09:34:31,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 09:34:31,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:34:31,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 09:34:31,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-11-20 09:34:31,417 INFO L87 Difference]: Start difference. First operand 114 states and 130 transitions. Second operand has 7 states, 6 states have (on average 9.666666666666666) internal successors, (58), 7 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:31,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:34:31,657 INFO L93 Difference]: Finished difference Result 274 states and 339 transitions. [2022-11-20 09:34:31,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 09:34:31,658 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.666666666666666) internal successors, (58), 7 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-11-20 09:34:31,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:34:31,660 INFO L225 Difference]: With dead ends: 274 [2022-11-20 09:34:31,660 INFO L226 Difference]: Without dead ends: 269 [2022-11-20 09:34:31,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-11-20 09:34:31,661 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 214 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 09:34:31,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 142 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 09:34:31,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2022-11-20 09:34:31,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 251. [2022-11-20 09:34:31,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 236 states have (on average 1.347457627118644) internal successors, (318), 250 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:31,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 318 transitions. [2022-11-20 09:34:31,685 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 318 transitions. Word has length 23 [2022-11-20 09:34:31,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:34:31,686 INFO L495 AbstractCegarLoop]: Abstraction has 251 states and 318 transitions. [2022-11-20 09:34:31,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.666666666666666) internal successors, (58), 7 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:31,686 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 318 transitions. [2022-11-20 09:34:31,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 09:34:31,687 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:34:31,687 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:34:31,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:31,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:34:31,894 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-20 09:34:31,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:31,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1795468263, now seen corresponding path program 1 times [2022-11-20 09:34:31,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:31,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325853354] [2022-11-20 09:34:31,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:31,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:31,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:31,987 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:34:31,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:34:31,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325853354] [2022-11-20 09:34:31,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325853354] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:34:31,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1448765866] [2022-11-20 09:34:31,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:31,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:34:31,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:31,990 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:34:32,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 09:34:32,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 09:34:32,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:32,163 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:34:32,163 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:34:32,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1448765866] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:34:32,164 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 09:34:32,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-11-20 09:34:32,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049287466] [2022-11-20 09:34:32,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:34:32,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:34:32,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:34:32,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:34:32,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 09:34:32,166 INFO L87 Difference]: Start difference. First operand 251 states and 318 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:32,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:34:32,300 INFO L93 Difference]: Finished difference Result 251 states and 318 transitions. [2022-11-20 09:34:32,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 09:34:32,301 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-11-20 09:34:32,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:34:32,305 INFO L225 Difference]: With dead ends: 251 [2022-11-20 09:34:32,305 INFO L226 Difference]: Without dead ends: 246 [2022-11-20 09:34:32,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 09:34:32,307 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 85 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:34:32,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 60 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 09:34:32,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2022-11-20 09:34:32,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 246. [2022-11-20 09:34:32,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 236 states have (on average 1.2584745762711864) internal successors, (297), 245 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:32,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 297 transitions. [2022-11-20 09:34:32,355 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 297 transitions. Word has length 24 [2022-11-20 09:34:32,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:34:32,355 INFO L495 AbstractCegarLoop]: Abstraction has 246 states and 297 transitions. [2022-11-20 09:34:32,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:32,356 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 297 transitions. [2022-11-20 09:34:32,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 09:34:32,357 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:34:32,357 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] [2022-11-20 09:34:32,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:32,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:34:32,564 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-20 09:34:32,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:32,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1362629903, now seen corresponding path program 1 times [2022-11-20 09:34:32,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:32,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100913404] [2022-11-20 09:34:32,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:32,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:32,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:34:32,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:34:32,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100913404] [2022-11-20 09:34:32,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100913404] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:34:32,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:34:32,723 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:34:32,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706647290] [2022-11-20 09:34:32,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:34:32,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:34:32,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:34:32,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:34:32,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:34:32,725 INFO L87 Difference]: Start difference. First operand 246 states and 297 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:32,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:34:32,838 INFO L93 Difference]: Finished difference Result 338 states and 409 transitions. [2022-11-20 09:34:32,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 09:34:32,839 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-11-20 09:34:32,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:34:32,841 INFO L225 Difference]: With dead ends: 338 [2022-11-20 09:34:32,841 INFO L226 Difference]: Without dead ends: 335 [2022-11-20 09:34:32,842 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 [2022-11-20 09:34:32,843 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 69 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:34:32,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 89 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 09:34:32,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2022-11-20 09:34:32,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 318. [2022-11-20 09:34:32,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 308 states have (on average 1.224025974025974) internal successors, (377), 317 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:32,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 377 transitions. [2022-11-20 09:34:32,869 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 377 transitions. Word has length 29 [2022-11-20 09:34:32,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:34:32,870 INFO L495 AbstractCegarLoop]: Abstraction has 318 states and 377 transitions. [2022-11-20 09:34:32,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:32,871 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 377 transitions. [2022-11-20 09:34:32,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 09:34:32,872 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:34:32,872 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] [2022-11-20 09:34:32,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 09:34:32,873 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-20 09:34:32,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:32,873 INFO L85 PathProgramCache]: Analyzing trace with hash -708145806, now seen corresponding path program 1 times [2022-11-20 09:34:32,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:32,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403038194] [2022-11-20 09:34:32,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:32,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:32,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:34:32,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:34:32,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403038194] [2022-11-20 09:34:32,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403038194] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:34:32,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:34:32,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:34:32,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525267674] [2022-11-20 09:34:32,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:34:32,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:34:32,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:34:32,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:34:32,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:34:32,957 INFO L87 Difference]: Start difference. First operand 318 states and 377 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) [2022-11-20 09:34:33,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:34:33,078 INFO L93 Difference]: Finished difference Result 324 states and 382 transitions. [2022-11-20 09:34:33,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 09:34:33,078 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 [2022-11-20 09:34:33,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:34:33,080 INFO L225 Difference]: With dead ends: 324 [2022-11-20 09:34:33,080 INFO L226 Difference]: Without dead ends: 320 [2022-11-20 09:34:33,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:34:33,083 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 49 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:34:33,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 94 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 09:34:33,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2022-11-20 09:34:33,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 314. [2022-11-20 09:34:33,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 308 states have (on average 1.1818181818181819) internal successors, (364), 313 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:33,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 364 transitions. [2022-11-20 09:34:33,126 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 364 transitions. Word has length 30 [2022-11-20 09:34:33,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:34:33,126 INFO L495 AbstractCegarLoop]: Abstraction has 314 states and 364 transitions. [2022-11-20 09:34:33,127 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) [2022-11-20 09:34:33,127 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 364 transitions. [2022-11-20 09:34:33,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-20 09:34:33,128 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:34:33,128 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] [2022-11-20 09:34:33,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 09:34:33,128 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-20 09:34:33,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:33,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1617652168, now seen corresponding path program 1 times [2022-11-20 09:34:33,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:33,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468749076] [2022-11-20 09:34:33,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:33,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:33,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:33,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:34:33,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:34:33,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468749076] [2022-11-20 09:34:33,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468749076] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:34:33,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:34:33,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 09:34:33,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556536602] [2022-11-20 09:34:33,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:34:33,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 09:34:33,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:34:33,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 09:34:33,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-20 09:34:33,229 INFO L87 Difference]: Start difference. First operand 314 states and 364 transitions. Second operand has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 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) [2022-11-20 09:34:33,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:34:33,380 INFO L93 Difference]: Finished difference Result 422 states and 484 transitions. [2022-11-20 09:34:33,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 09:34:33,381 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 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 [2022-11-20 09:34:33,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:34:33,383 INFO L225 Difference]: With dead ends: 422 [2022-11-20 09:34:33,383 INFO L226 Difference]: Without dead ends: 418 [2022-11-20 09:34:33,385 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 [2022-11-20 09:34:33,390 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 141 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:34:33,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 115 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 09:34:33,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2022-11-20 09:34:33,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 395. [2022-11-20 09:34:33,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 389 states have (on average 1.1696658097686374) internal successors, (455), 394 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:33,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 455 transitions. [2022-11-20 09:34:33,416 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 455 transitions. Word has length 35 [2022-11-20 09:34:33,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:34:33,417 INFO L495 AbstractCegarLoop]: Abstraction has 395 states and 455 transitions. [2022-11-20 09:34:33,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 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) [2022-11-20 09:34:33,417 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 455 transitions. [2022-11-20 09:34:33,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-20 09:34:33,429 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:34:33,429 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:34:33,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-20 09:34:33,430 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-20 09:34:33,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:33,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1145241121, now seen corresponding path program 1 times [2022-11-20 09:34:33,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:33,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884642422] [2022-11-20 09:34:33,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:33,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:33,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:33,626 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 09:34:33,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:34:33,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884642422] [2022-11-20 09:34:33,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884642422] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:34:33,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1241031101] [2022-11-20 09:34:33,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:33,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:34:33,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:33,635 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:34:33,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 09:34:33,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:33,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 09:34:33,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:33,905 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:34:33,905 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:34:34,018 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:34:34,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1241031101] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:34:34,021 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 09:34:34,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 5] total 12 [2022-11-20 09:34:34,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885285149] [2022-11-20 09:34:34,021 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 09:34:34,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-20 09:34:34,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:34:34,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-20 09:34:34,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2022-11-20 09:34:34,023 INFO L87 Difference]: Start difference. First operand 395 states and 455 transitions. Second operand has 13 states, 12 states have (on average 11.166666666666666) internal successors, (134), 13 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:34,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:34:34,338 INFO L93 Difference]: Finished difference Result 509 states and 585 transitions. [2022-11-20 09:34:34,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-20 09:34:34,339 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 11.166666666666666) internal successors, (134), 13 states have internal predecessors, (134), 0 states have call successors, (0), 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 47 [2022-11-20 09:34:34,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:34:34,341 INFO L225 Difference]: With dead ends: 509 [2022-11-20 09:34:34,341 INFO L226 Difference]: Without dead ends: 505 [2022-11-20 09:34:34,342 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=175, Invalid=287, Unknown=0, NotChecked=0, Total=462 [2022-11-20 09:34:34,343 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 696 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 696 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 09:34:34,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [696 Valid, 144 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 09:34:34,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2022-11-20 09:34:34,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 166. [2022-11-20 09:34:34,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 164 states have (on average 1.1219512195121952) internal successors, (184), 165 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:34,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 184 transitions. [2022-11-20 09:34:34,359 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 184 transitions. Word has length 47 [2022-11-20 09:34:34,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:34:34,359 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 184 transitions. [2022-11-20 09:34:34,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 11.166666666666666) internal successors, (134), 13 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:34,360 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 184 transitions. [2022-11-20 09:34:34,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-20 09:34:34,362 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:34:34,362 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:34:34,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:34,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-20 09:34:34,568 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-20 09:34:34,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:34,568 INFO L85 PathProgramCache]: Analyzing trace with hash -990392901, now seen corresponding path program 2 times [2022-11-20 09:34:34,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:34,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30311424] [2022-11-20 09:34:34,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:34,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:34,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:34,685 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-20 09:34:34,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:34:34,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30311424] [2022-11-20 09:34:34,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30311424] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:34:34,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [704272537] [2022-11-20 09:34:34,686 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 09:34:34,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:34:34,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:34,703 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:34:34,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-20 09:34:34,768 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-20 09:34:34,768 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 09:34:34,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 09:34:34,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:34,882 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-20 09:34:34,882 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:34:34,993 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-20 09:34:34,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [704272537] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:34:34,993 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 09:34:34,993 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3, 3] total 7 [2022-11-20 09:34:34,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947919171] [2022-11-20 09:34:34,994 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 09:34:34,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 09:34:34,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:34:34,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 09:34:34,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-20 09:34:34,995 INFO L87 Difference]: Start difference. First operand 166 states and 184 transitions. Second operand has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 8 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:35,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:34:35,185 INFO L93 Difference]: Finished difference Result 472 states and 534 transitions. [2022-11-20 09:34:35,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 09:34:35,186 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 8 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2022-11-20 09:34:35,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:34:35,188 INFO L225 Difference]: With dead ends: 472 [2022-11-20 09:34:35,188 INFO L226 Difference]: Without dead ends: 171 [2022-11-20 09:34:35,192 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 126 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2022-11-20 09:34:35,193 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 290 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:34:35,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 114 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 09:34:35,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2022-11-20 09:34:35,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 132. [2022-11-20 09:34:35,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 131 states have (on average 1.1145038167938932) internal successors, (146), 131 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:35,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 146 transitions. [2022-11-20 09:34:35,203 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 146 transitions. Word has length 65 [2022-11-20 09:34:35,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:34:35,204 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 146 transitions. [2022-11-20 09:34:35,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 8 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:35,204 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 146 transitions. [2022-11-20 09:34:35,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-20 09:34:35,205 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:34:35,205 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2022-11-20 09:34:35,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-20 09:34:35,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-20 09:34:35,410 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-20 09:34:35,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:35,411 INFO L85 PathProgramCache]: Analyzing trace with hash -158244814, now seen corresponding path program 1 times [2022-11-20 09:34:35,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:35,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039165855] [2022-11-20 09:34:35,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:35,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:35,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:35,526 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 09:34:35,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:34:35,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039165855] [2022-11-20 09:34:35,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039165855] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:34:35,526 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:34:35,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 09:34:35,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698256333] [2022-11-20 09:34:35,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:34:35,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:34:35,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:34:35,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:34:35,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:34:35,528 INFO L87 Difference]: Start difference. First operand 132 states and 146 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:35,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:34:35,592 INFO L93 Difference]: Finished difference Result 242 states and 270 transitions. [2022-11-20 09:34:35,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 09:34:35,592 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2022-11-20 09:34:35,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:34:35,593 INFO L225 Difference]: With dead ends: 242 [2022-11-20 09:34:35,593 INFO L226 Difference]: Without dead ends: 132 [2022-11-20 09:34:35,594 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:34:35,595 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 0 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:34:35,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 102 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 09:34:35,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2022-11-20 09:34:35,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2022-11-20 09:34:35,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 131 states have (on average 1.0687022900763359) internal successors, (140), 131 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:35,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 140 transitions. [2022-11-20 09:34:35,604 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 140 transitions. Word has length 75 [2022-11-20 09:34:35,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:34:35,605 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 140 transitions. [2022-11-20 09:34:35,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:35,605 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 140 transitions. [2022-11-20 09:34:35,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-20 09:34:35,606 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:34:35,606 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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] [2022-11-20 09:34:35,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-20 09:34:35,607 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-20 09:34:35,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:35,607 INFO L85 PathProgramCache]: Analyzing trace with hash 420869729, now seen corresponding path program 1 times [2022-11-20 09:34:35,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:35,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473920787] [2022-11-20 09:34:35,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:35,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:35,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:35,788 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:34:35,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:34:35,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473920787] [2022-11-20 09:34:35,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473920787] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:34:35,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1001827369] [2022-11-20 09:34:35,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:35,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:34:35,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:35,790 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:34:35,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-20 09:34:35,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:35,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 09:34:35,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:36,030 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:34:36,030 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:34:36,194 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:34:36,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1001827369] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:34:36,194 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 09:34:36,194 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2022-11-20 09:34:36,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39280824] [2022-11-20 09:34:36,195 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 09:34:36,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-20 09:34:36,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:34:36,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-20 09:34:36,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-11-20 09:34:36,197 INFO L87 Difference]: Start difference. First operand 132 states and 140 transitions. Second operand has 13 states, 12 states have (on average 14.75) internal successors, (177), 13 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:36,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:34:36,546 INFO L93 Difference]: Finished difference Result 406 states and 432 transitions. [2022-11-20 09:34:36,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-20 09:34:36,547 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 14.75) internal successors, (177), 13 states have internal predecessors, (177), 0 states have call successors, (0), 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 80 [2022-11-20 09:34:36,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:34:36,548 INFO L225 Difference]: With dead ends: 406 [2022-11-20 09:34:36,548 INFO L226 Difference]: Without dead ends: 405 [2022-11-20 09:34:36,549 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-11-20 09:34:36,550 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 989 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 989 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 09:34:36,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [989 Valid, 231 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 09:34:36,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2022-11-20 09:34:36,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 372. [2022-11-20 09:34:36,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 371 states have (on average 1.0566037735849056) internal successors, (392), 371 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:36,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 392 transitions. [2022-11-20 09:34:36,576 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 392 transitions. Word has length 80 [2022-11-20 09:34:36,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:34:36,576 INFO L495 AbstractCegarLoop]: Abstraction has 372 states and 392 transitions. [2022-11-20 09:34:36,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 14.75) internal successors, (177), 13 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:36,577 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 392 transitions. [2022-11-20 09:34:36,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-11-20 09:34:36,584 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:34:36,584 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:34:36,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:36,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-20 09:34:36,795 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-11-20 09:34:36,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:36,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1469409768, now seen corresponding path program 2 times [2022-11-20 09:34:36,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:36,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947241743] [2022-11-20 09:34:36,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:36,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:36,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:37,400 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:34:37,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:34:37,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947241743] [2022-11-20 09:34:37,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947241743] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:34:37,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [270356209] [2022-11-20 09:34:37,402 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 09:34:37,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:34:37,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:37,404 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:34:37,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-20 09:34:37,522 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-20 09:34:37,522 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 09:34:37,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 09:34:37,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:37,857 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-11-20 09:34:37,857 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:34:38,172 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-11-20 09:34:38,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [270356209] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:34:38,172 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 09:34:38,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 4, 4] total 15 [2022-11-20 09:34:38,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274832444] [2022-11-20 09:34:38,174 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 09:34:38,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-20 09:34:38,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:34:38,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-20 09:34:38,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=133, Unknown=0, NotChecked=0, Total=240 [2022-11-20 09:34:38,176 INFO L87 Difference]: Start difference. First operand 372 states and 392 transitions. Second operand has 16 states, 15 states have (on average 15.666666666666666) internal successors, (235), 16 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:38,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:34:38,883 INFO L93 Difference]: Finished difference Result 493 states and 520 transitions. [2022-11-20 09:34:38,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-20 09:34:38,884 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 15.666666666666666) internal successors, (235), 16 states have internal predecessors, (235), 0 states have call successors, (0), 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 170 [2022-11-20 09:34:38,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:34:38,885 INFO L225 Difference]: With dead ends: 493 [2022-11-20 09:34:38,885 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 09:34:38,886 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 334 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=315, Invalid=497, Unknown=0, NotChecked=0, Total=812 [2022-11-20 09:34:38,886 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 809 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 809 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 09:34:38,887 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [809 Valid, 268 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 09:34:38,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 09:34:38,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 09:34:38,888 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) [2022-11-20 09:34:38,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 09:34:38,888 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 170 [2022-11-20 09:34:38,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:34:38,889 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 09:34:38,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 15.666666666666666) internal successors, (235), 16 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:38,889 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 09:34:38,890 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 09:34:38,893 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2022-11-20 09:34:38,893 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2022-11-20 09:34:38,894 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2022-11-20 09:34:38,894 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2022-11-20 09:34:38,894 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2022-11-20 09:34:38,894 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2022-11-20 09:34:38,895 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2022-11-20 09:34:38,895 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2022-11-20 09:34:38,895 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 20 remaining) [2022-11-20 09:34:38,895 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 20 remaining) [2022-11-20 09:34:38,896 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 20 remaining) [2022-11-20 09:34:38,896 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 20 remaining) [2022-11-20 09:34:38,896 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2022-11-20 09:34:38,896 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2022-11-20 09:34:38,897 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2022-11-20 09:34:38,897 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2022-11-20 09:34:38,912 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2022-11-20 09:34:38,913 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2022-11-20 09:34:38,913 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2022-11-20 09:34:38,913 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2022-11-20 09:34:38,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:39,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:34:39,122 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 09:34:47,352 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-11-20 09:34:47,352 INFO L899 garLoopResultBuilder]: For program point L27(line 27) no Hoare annotation was computed. [2022-11-20 09:34:47,352 INFO L899 garLoopResultBuilder]: For program point L27-1(line 27) no Hoare annotation was computed. [2022-11-20 09:34:47,352 INFO L899 garLoopResultBuilder]: For program point L151(lines 151 281) no Hoare annotation was computed. [2022-11-20 09:34:47,352 INFO L899 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2022-11-20 09:34:47,352 INFO L899 garLoopResultBuilder]: For program point L118-1(line 118) no Hoare annotation was computed. [2022-11-20 09:34:47,352 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 235) no Hoare annotation was computed. [2022-11-20 09:34:47,352 INFO L899 garLoopResultBuilder]: For program point L110(lines 110 123) no Hoare annotation was computed. [2022-11-20 09:34:47,353 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 118) no Hoare annotation was computed. [2022-11-20 09:34:47,353 INFO L899 garLoopResultBuilder]: For program point L36(lines 36 300) no Hoare annotation was computed. [2022-11-20 09:34:47,353 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2022-11-20 09:34:47,353 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 09:34:47,353 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 09:34:47,353 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2022-11-20 09:34:47,353 INFO L899 garLoopResultBuilder]: For program point L185-1(line 185) no Hoare annotation was computed. [2022-11-20 09:34:47,353 INFO L899 garLoopResultBuilder]: For program point L86(lines 86 127) no Hoare annotation was computed. [2022-11-20 09:34:47,353 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 237) no Hoare annotation was computed. [2022-11-20 09:34:47,354 INFO L899 garLoopResultBuilder]: For program point L20(lines 20 312) no Hoare annotation was computed. [2022-11-20 09:34:47,354 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 267) no Hoare annotation was computed. [2022-11-20 09:34:47,354 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 288) no Hoare annotation was computed. [2022-11-20 09:34:47,354 INFO L899 garLoopResultBuilder]: For program point L235(line 235) no Hoare annotation was computed. [2022-11-20 09:34:47,354 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 120) no Hoare annotation was computed. [2022-11-20 09:34:47,354 INFO L899 garLoopResultBuilder]: For program point L235-1(line 235) no Hoare annotation was computed. [2022-11-20 09:34:47,354 INFO L895 garLoopResultBuilder]: At program point L293(lines 38 294) the Hoare annotation is: (let ((.cse0 (<= 0 |ULTIMATE.start_main_~main__bufsize~0#1|)) (.cse1 (= |ULTIMATE.start_main_~main__j~0#1| 0)) (.cse2 (<= |ULTIMATE.start_main_~main__limit~0#1| 2147483643)) (.cse4 (<= |ULTIMATE.start_main_~main__bufsize~0#1| 2147483647)) (.cse3 (<= |ULTIMATE.start_main_~main__len~0#1| 2147483647))) (or (and .cse0 (= |ULTIMATE.start_main_~main__i~0#1| 0) .cse1 .cse2 .cse3 .cse4) (and (let ((.cse5 (<= |ULTIMATE.start_main_~main__i~0#1| 2147483646)) (.cse6 (<= 1 |ULTIMATE.start_main_~main__i~0#1|))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~main__j~0#1|) .cse5 (<= |ULTIMATE.start_main_~main__j~0#1| 2147483642) .cse2 .cse6 .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse6 .cse4))) .cse3))) [2022-11-20 09:34:47,355 INFO L899 garLoopResultBuilder]: For program point L227(lines 227 269) no Hoare annotation was computed. [2022-11-20 09:34:47,355 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2022-11-20 09:34:47,355 INFO L899 garLoopResultBuilder]: For program point L120(line 120) no Hoare annotation was computed. [2022-11-20 09:34:47,355 INFO L899 garLoopResultBuilder]: For program point L120-1(line 120) no Hoare annotation was computed. [2022-11-20 09:34:47,355 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 237) no Hoare annotation was computed. [2022-11-20 09:34:47,355 INFO L895 garLoopResultBuilder]: At program point L310(lines 13 313) the Hoare annotation is: (<= |ULTIMATE.start_main_~main__bufsize~0#1| 2147483647) [2022-11-20 09:34:47,355 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 120) no Hoare annotation was computed. [2022-11-20 09:34:47,355 INFO L899 garLoopResultBuilder]: For program point L203(lines 203 273) no Hoare annotation was computed. [2022-11-20 09:34:47,356 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2022-11-20 09:34:47,356 INFO L899 garLoopResultBuilder]: For program point L38-1(line 38) no Hoare annotation was computed. [2022-11-20 09:34:47,356 INFO L899 garLoopResultBuilder]: For program point L38-2(lines 38 294) no Hoare annotation was computed. [2022-11-20 09:34:47,356 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 263) no Hoare annotation was computed. [2022-11-20 09:34:47,356 INFO L899 garLoopResultBuilder]: For program point L237(line 237) no Hoare annotation was computed. [2022-11-20 09:34:47,356 INFO L899 garLoopResultBuilder]: For program point L237-1(line 237) no Hoare annotation was computed. [2022-11-20 09:34:47,356 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 183) no Hoare annotation was computed. [2022-11-20 09:34:47,356 INFO L899 garLoopResultBuilder]: For program point L163(lines 163 279) no Hoare annotation was computed. [2022-11-20 09:34:47,356 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 263) no Hoare annotation was computed. [2022-11-20 09:34:47,357 INFO L895 garLoopResultBuilder]: At program point L304(lines 25 312) the Hoare annotation is: (let ((.cse0 (<= 0 |ULTIMATE.start_main_~main__bufsize~0#1|)) (.cse3 (<= |ULTIMATE.start_main_~main__bufsize~0#1| 2147483647)) (.cse1 (<= |ULTIMATE.start_main_~main__limit~0#1| 2147483643)) (.cse2 (<= |ULTIMATE.start_main_~main__len~0#1| 2147483647))) (or (and .cse0 (= |ULTIMATE.start_main_~main__i~0#1| 0) .cse1 .cse2 .cse3) (and (< |ULTIMATE.start_main_~main__j~0#1| 2147483646) (let ((.cse4 (<= 1 |ULTIMATE.start_main_~main__i~0#1|))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~main__j~0#1|) .cse4 .cse3) (and .cse0 (= |ULTIMATE.start_main_~main__j~0#1| 0) .cse4 .cse3))) .cse1 .cse2))) [2022-11-20 09:34:47,357 INFO L899 garLoopResultBuilder]: For program point L139(lines 139 283) no Hoare annotation was computed. [2022-11-20 09:34:47,357 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 183) no Hoare annotation was computed. [2022-11-20 09:34:47,357 INFO L899 garLoopResultBuilder]: For program point L263(line 263) no Hoare annotation was computed. [2022-11-20 09:34:47,357 INFO L899 garLoopResultBuilder]: For program point L263-1(line 263) no Hoare annotation was computed. [2022-11-20 09:34:47,357 INFO L899 garLoopResultBuilder]: For program point L98(lines 98 125) no Hoare annotation was computed. [2022-11-20 09:34:47,357 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 09:34:47,357 INFO L899 garLoopResultBuilder]: For program point L255(lines 255 265) no Hoare annotation was computed. [2022-11-20 09:34:47,357 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 42) no Hoare annotation was computed. [2022-11-20 09:34:47,358 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 286) no Hoare annotation was computed. [2022-11-20 09:34:47,358 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 185) no Hoare annotation was computed. [2022-11-20 09:34:47,358 INFO L899 garLoopResultBuilder]: For program point L74(lines 74 129) no Hoare annotation was computed. [2022-11-20 09:34:47,358 INFO L895 garLoopResultBuilder]: At program point L264(lines 31 306) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_main_~main__j~0#1| 0)) (.cse0 (<= 0 |ULTIMATE.start_main_~main__bufsize~0#1|)) (.cse2 (<= |ULTIMATE.start_main_~main__limit~0#1| 2147483643)) (.cse4 (<= |ULTIMATE.start_main_~main__bufsize~0#1| 2147483647)) (.cse3 (<= |ULTIMATE.start_main_~main__len~0#1| 2147483647))) (or (and .cse0 (= |ULTIMATE.start_main_~main__i~0#1| 0) .cse1 .cse2 .cse3 .cse4) (and (let ((.cse5 (<= 1 |ULTIMATE.start_main_~main__i~0#1|))) (or (and .cse0 .cse1 .cse2 .cse5 .cse4) (and .cse0 (<= 1 |ULTIMATE.start_main_~main__j~0#1|) (< |ULTIMATE.start_main_~main__j~0#1| 2147483646) .cse2 .cse5 .cse4))) .cse3))) [2022-11-20 09:34:47,358 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 285) no Hoare annotation was computed. [2022-11-20 09:34:47,358 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 09:34:47,358 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 42) no Hoare annotation was computed. [2022-11-20 09:34:47,358 INFO L899 garLoopResultBuilder]: For program point L215(lines 215 271) no Hoare annotation was computed. [2022-11-20 09:34:47,359 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 185) no Hoare annotation was computed. [2022-11-20 09:34:47,359 INFO L899 garLoopResultBuilder]: For program point L42(line 42) no Hoare annotation was computed. [2022-11-20 09:34:47,359 INFO L899 garLoopResultBuilder]: For program point L42-1(line 42) no Hoare annotation was computed. [2022-11-20 09:34:47,359 INFO L899 garLoopResultBuilder]: For program point L191(lines 191 275) no Hoare annotation was computed. [2022-11-20 09:34:47,359 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-11-20 09:34:47,359 INFO L899 garLoopResultBuilder]: For program point L183(line 183) no Hoare annotation was computed. [2022-11-20 09:34:47,359 INFO L899 garLoopResultBuilder]: For program point L183-1(line 183) no Hoare annotation was computed. [2022-11-20 09:34:47,359 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 277) no Hoare annotation was computed. [2022-11-20 09:34:47,359 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 235) no Hoare annotation was computed. [2022-11-20 09:34:47,359 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 118) no Hoare annotation was computed. [2022-11-20 09:34:47,362 INFO L444 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:34:47,366 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 09:34:47,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:34:47 BoogieIcfgContainer [2022-11-20 09:34:47,382 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 09:34:47,382 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 09:34:47,382 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 09:34:47,383 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 09:34:47,383 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:34:29" (3/4) ... [2022-11-20 09:34:47,386 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 09:34:47,397 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-20 09:34:47,398 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-20 09:34:47,398 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 09:34:47,399 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 09:34:47,445 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 09:34:47,445 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 09:34:47,446 INFO L158 Benchmark]: Toolchain (without parser) took 19078.13ms. Allocated memory was 153.1MB in the beginning and 285.2MB in the end (delta: 132.1MB). Free memory was 110.7MB in the beginning and 190.8MB in the end (delta: -80.1MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. [2022-11-20 09:34:47,446 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 111.1MB. Free memory is still 62.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:34:47,446 INFO L158 Benchmark]: CACSL2BoogieTranslator took 553.04ms. Allocated memory is still 153.1MB. Free memory was 110.7MB in the beginning and 94.6MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 09:34:47,447 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.32ms. Allocated memory is still 153.1MB. Free memory was 94.6MB in the beginning and 92.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 09:34:47,447 INFO L158 Benchmark]: Boogie Preprocessor took 61.34ms. Allocated memory is still 153.1MB. Free memory was 92.5MB in the beginning and 91.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:34:47,447 INFO L158 Benchmark]: RCFGBuilder took 604.94ms. Allocated memory is still 153.1MB. Free memory was 91.2MB in the beginning and 75.7MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 09:34:47,448 INFO L158 Benchmark]: TraceAbstraction took 17720.25ms. Allocated memory was 153.1MB in the beginning and 285.2MB in the end (delta: 132.1MB). Free memory was 75.1MB in the beginning and 195.0MB in the end (delta: -119.9MB). Peak memory consumption was 123.0MB. Max. memory is 16.1GB. [2022-11-20 09:34:47,448 INFO L158 Benchmark]: Witness Printer took 63.19ms. Allocated memory is still 285.2MB. Free memory was 195.0MB in the beginning and 190.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 09:34:47,450 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 111.1MB. Free memory is still 62.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 553.04ms. Allocated memory is still 153.1MB. Free memory was 110.7MB in the beginning and 94.6MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.32ms. Allocated memory is still 153.1MB. Free memory was 94.6MB in the beginning and 92.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.34ms. Allocated memory is still 153.1MB. Free memory was 92.5MB in the beginning and 91.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 604.94ms. Allocated memory is still 153.1MB. Free memory was 91.2MB in the beginning and 75.7MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 17720.25ms. Allocated memory was 153.1MB in the beginning and 285.2MB in the end (delta: 132.1MB). Free memory was 75.1MB in the beginning and 195.0MB in the end (delta: -119.9MB). Peak memory consumption was 123.0MB. Max. memory is 16.1GB. * Witness Printer took 63.19ms. Allocated memory is still 285.2MB. Free memory was 195.0MB in the beginning and 190.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 118]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 118]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 120]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 120]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 183]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 183]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 185]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 185]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 235]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 235]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 237]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 237]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 263]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 263]: 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, 68 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 17.6s, OverallIterations: 14, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3524 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3524 mSDsluCounter, 1658 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1047 mSDsCounter, 289 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1410 IncrementalHoareTripleChecker+Invalid, 1699 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 289 mSolverCounterUnsat, 611 mSDtfsCounter, 1410 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 864 GetRequests, 772 SyntacticMatches, 3 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=395occurred in iteration=9, InterpolantAutomatonStates: 89, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 14 MinimizatonAttempts, 485 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 77 NumberOfFragments, 183 HoareAnnotationTreeSize, 4 FomulaSimplifications, 516 FormulaSimplificationTreeSizeReduction, 6.8s HoareSimplificationTime, 4 FomulaSimplificationsInter, 322534 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 1022 NumberOfCodeBlocks, 827 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1382 ConstructedInterpolants, 0 QuantifiedInterpolants, 3926 SizeOfPredicates, 4 NumberOfNonLiveVariables, 810 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 25 InterpolantComputations, 9 PerfectInterpolantSequences, 752/1480 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 20 specifications checked. All of them hold - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: (((((0 <= main__bufsize && main__i == 0) && main__j == 0) && main__limit <= 2147483643) && main__len <= 2147483647) && main__bufsize <= 2147483647) || ((((((((0 <= main__bufsize && 1 <= main__j) && main__i <= 2147483646) && main__j <= 2147483642) && main__limit <= 2147483643) && 1 <= main__i) && main__bufsize <= 2147483647) || (((((0 <= main__bufsize && main__i <= 2147483646) && main__j == 0) && main__limit <= 2147483643) && 1 <= main__i) && main__bufsize <= 2147483647)) && main__len <= 2147483647) - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: (((((0 <= main__bufsize && main__i == 0) && main__j == 0) && main__limit <= 2147483643) && main__len <= 2147483647) && main__bufsize <= 2147483647) || ((((((0 <= main__bufsize && main__j == 0) && main__limit <= 2147483643) && 1 <= main__i) && main__bufsize <= 2147483647) || (((((0 <= main__bufsize && 1 <= main__j) && main__j < 2147483646) && main__limit <= 2147483643) && 1 <= main__i) && main__bufsize <= 2147483647)) && main__len <= 2147483647) - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: main__bufsize <= 2147483647 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: ((((0 <= main__bufsize && main__i == 0) && main__limit <= 2147483643) && main__len <= 2147483647) && main__bufsize <= 2147483647) || (((main__j < 2147483646 && ((((0 <= main__bufsize && 1 <= main__j) && 1 <= main__i) && main__bufsize <= 2147483647) || (((0 <= main__bufsize && main__j == 0) && 1 <= main__i) && main__bufsize <= 2147483647))) && main__limit <= 2147483643) && main__len <= 2147483647) RESULT: Ultimate proved your program to be correct! [2022-11-20 09:34:47,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fccb35b-c4da-463c-aa86-e6b2e8aef54a/bin/uautomizer-ug76WZFUDN/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