./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_1.ufo.BOUNDED-10.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b333078-7f88-40af-bd5c-ef2b4fdbceea/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b333078-7f88-40af-bd5c-ef2b4fdbceea/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b333078-7f88-40af-bd5c-ef2b4fdbceea/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b333078-7f88-40af-bd5c-ef2b4fdbceea/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_1.ufo.BOUNDED-10.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b333078-7f88-40af-bd5c-ef2b4fdbceea/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b333078-7f88-40af-bd5c-ef2b4fdbceea/bin/uautomizer-TMbwUNV5ro --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 a30aa210ed4a7c8ee647a70aef136aef282e5eccb07388ecda6495e33bc30b6d --- 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-8393723 [2022-11-18 20:26:52,134 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:26:52,138 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:26:52,180 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:26:52,182 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:26:52,187 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:26:52,189 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:26:52,192 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:26:52,194 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:26:52,196 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:26:52,198 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:26:52,201 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:26:52,202 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:26:52,210 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:26:52,212 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:26:52,213 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:26:52,216 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:26:52,217 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:26:52,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:26:52,220 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:26:52,222 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:26:52,223 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:26:52,225 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:26:52,226 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:26:52,229 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:26:52,229 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:26:52,230 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:26:52,231 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:26:52,231 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:26:52,232 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:26:52,233 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:26:52,234 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:26:52,235 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:26:52,236 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:26:52,237 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:26:52,237 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:26:52,238 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:26:52,239 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:26:52,239 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:26:52,240 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:26:52,241 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:26:52,242 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b333078-7f88-40af-bd5c-ef2b4fdbceea/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-18 20:26:52,268 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:26:52,268 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:26:52,269 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:26:52,269 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:26:52,270 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:26:52,270 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:26:52,271 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:26:52,271 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:26:52,271 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:26:52,272 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:26:52,291 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:26:52,291 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:26:52,292 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:26:52,292 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:26:52,292 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:26:52,292 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:26:52,293 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:26:52,293 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:26:52,293 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-18 20:26:52,293 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:26:52,294 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:26:52,294 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:26:52,294 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:26:52,294 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:26:52,295 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:26:52,295 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:26:52,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:26:52,297 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:26:52,298 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:26:52,298 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:26:52,299 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:26:52,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:26:52,299 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:26:52,300 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:26:52,300 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:26:52,300 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_7b333078-7f88-40af-bd5c-ef2b4fdbceea/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b333078-7f88-40af-bd5c-ef2b4fdbceea/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a30aa210ed4a7c8ee647a70aef136aef282e5eccb07388ecda6495e33bc30b6d [2022-11-18 20:26:52,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:26:52,642 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:26:52,646 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:26:52,647 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:26:52,648 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:26:52,650 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b333078-7f88-40af-bd5c-ef2b4fdbceea/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_1.ufo.BOUNDED-10.pals.c [2022-11-18 20:26:52,727 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b333078-7f88-40af-bd5c-ef2b4fdbceea/bin/uautomizer-TMbwUNV5ro/data/97e9bf195/fe2c1646bb234be5a2e978b532b5ef87/FLAG6f898446c [2022-11-18 20:26:53,307 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:26:53,310 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b333078-7f88-40af-bd5c-ef2b4fdbceea/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_1.ufo.BOUNDED-10.pals.c [2022-11-18 20:26:53,326 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b333078-7f88-40af-bd5c-ef2b4fdbceea/bin/uautomizer-TMbwUNV5ro/data/97e9bf195/fe2c1646bb234be5a2e978b532b5ef87/FLAG6f898446c [2022-11-18 20:26:53,562 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b333078-7f88-40af-bd5c-ef2b4fdbceea/bin/uautomizer-TMbwUNV5ro/data/97e9bf195/fe2c1646bb234be5a2e978b532b5ef87 [2022-11-18 20:26:53,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:26:53,566 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:26:53,569 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:26:53,569 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:26:53,573 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:26:53,574 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:26:53" (1/1) ... [2022-11-18 20:26:53,575 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e600995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:53, skipping insertion in model container [2022-11-18 20:26:53,575 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:26:53" (1/1) ... [2022-11-18 20:26:53,584 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:26:53,627 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:26:53,923 WARN L234 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_7b333078-7f88-40af-bd5c-ef2b4fdbceea/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_1.ufo.BOUNDED-10.pals.c[14540,14553] [2022-11-18 20:26:53,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:26:53,934 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:26:54,000 WARN L234 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_7b333078-7f88-40af-bd5c-ef2b4fdbceea/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_1.ufo.BOUNDED-10.pals.c[14540,14553] [2022-11-18 20:26:54,001 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:26:54,016 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:26:54,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:54 WrapperNode [2022-11-18 20:26:54,017 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:26:54,018 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:26:54,018 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:26:54,018 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:26:54,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:54" (1/1) ... [2022-11-18 20:26:54,037 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:54" (1/1) ... [2022-11-18 20:26:54,077 INFO L138 Inliner]: procedures = 32, calls = 48, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 479 [2022-11-18 20:26:54,078 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:26:54,079 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:26:54,079 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:26:54,079 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:26:54,088 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:54" (1/1) ... [2022-11-18 20:26:54,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:54" (1/1) ... [2022-11-18 20:26:54,093 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:54" (1/1) ... [2022-11-18 20:26:54,093 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:54" (1/1) ... [2022-11-18 20:26:54,103 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:54" (1/1) ... [2022-11-18 20:26:54,109 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:54" (1/1) ... [2022-11-18 20:26:54,115 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:54" (1/1) ... [2022-11-18 20:26:54,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:54" (1/1) ... [2022-11-18 20:26:54,142 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:26:54,143 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:26:54,143 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:26:54,143 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:26:54,144 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:54" (1/1) ... [2022-11-18 20:26:54,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:26:54,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b333078-7f88-40af-bd5c-ef2b4fdbceea/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:26:54,206 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b333078-7f88-40af-bd5c-ef2b4fdbceea/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:26:54,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b333078-7f88-40af-bd5c-ef2b4fdbceea/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:26:54,249 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2022-11-18 20:26:54,249 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2022-11-18 20:26:54,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:26:54,250 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2022-11-18 20:26:54,250 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2022-11-18 20:26:54,250 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-11-18 20:26:54,250 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-11-18 20:26:54,251 INFO L130 BoogieDeclarations]: Found specification of procedure flip_the_side [2022-11-18 20:26:54,251 INFO L138 BoogieDeclarations]: Found implementation of procedure flip_the_side [2022-11-18 20:26:54,251 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-18 20:26:54,251 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-18 20:26:54,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:26:54,251 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2022-11-18 20:26:54,252 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2022-11-18 20:26:54,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:26:54,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:26:54,252 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2022-11-18 20:26:54,252 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2022-11-18 20:26:54,365 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:26:54,367 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:26:55,039 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:26:55,055 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:26:55,055 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 20:26:55,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:26:55 BoogieIcfgContainer [2022-11-18 20:26:55,058 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:26:55,060 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:26:55,060 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:26:55,066 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:26:55,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:26:53" (1/3) ... [2022-11-18 20:26:55,068 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47f3708d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:26:55, skipping insertion in model container [2022-11-18 20:26:55,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:54" (2/3) ... [2022-11-18 20:26:55,068 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47f3708d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:26:55, skipping insertion in model container [2022-11-18 20:26:55,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:26:55" (3/3) ... [2022-11-18 20:26:55,071 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_ActiveStandby.4_1.ufo.BOUNDED-10.pals.c [2022-11-18 20:26:55,089 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:26:55,089 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-18 20:26:55,183 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:26:55,203 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;@279a0c5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:26:55,203 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-18 20:26:55,209 INFO L276 IsEmpty]: Start isEmpty. Operand has 182 states, 141 states have (on average 1.5460992907801419) internal successors, (218), 143 states have internal predecessors, (218), 31 states have call successors, (31), 7 states have call predecessors, (31), 7 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2022-11-18 20:26:55,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-18 20:26:55,225 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:26:55,225 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:26:55,226 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-18 20:26:55,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:55,232 INFO L85 PathProgramCache]: Analyzing trace with hash -463902619, now seen corresponding path program 1 times [2022-11-18 20:26:55,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:55,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162744620] [2022-11-18 20:26:55,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:55,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:55,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:55,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-18 20:26:55,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:55,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 20:26:55,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:55,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-18 20:26:55,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:55,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 20:26:55,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:55,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 20:26:55,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:55,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-18 20:26:55,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:55,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 20:26:55,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:55,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 20:26:55,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:55,702 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-18 20:26:55,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:55,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162744620] [2022-11-18 20:26:55,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162744620] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:55,705 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:55,705 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:26:55,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829964042] [2022-11-18 20:26:55,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:55,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 20:26:55,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:55,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 20:26:55,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 20:26:55,756 INFO L87 Difference]: Start difference. First operand has 182 states, 141 states have (on average 1.5460992907801419) internal successors, (218), 143 states have internal predecessors, (218), 31 states have call successors, (31), 7 states have call predecessors, (31), 7 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-18 20:26:55,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:26:55,854 INFO L93 Difference]: Finished difference Result 348 states and 560 transitions. [2022-11-18 20:26:55,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 20:26:55,863 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 71 [2022-11-18 20:26:55,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:26:55,880 INFO L225 Difference]: With dead ends: 348 [2022-11-18 20:26:55,881 INFO L226 Difference]: Without dead ends: 177 [2022-11-18 20:26:55,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 20:26:55,899 INFO L413 NwaCegarLoop]: 277 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:26:55,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:26:55,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2022-11-18 20:26:55,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2022-11-18 20:26:55,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 137 states have (on average 1.532846715328467) internal successors, (210), 138 states have internal predecessors, (210), 31 states have call successors, (31), 7 states have call predecessors, (31), 7 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2022-11-18 20:26:55,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 272 transitions. [2022-11-18 20:26:55,990 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 272 transitions. Word has length 71 [2022-11-18 20:26:55,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:26:55,990 INFO L495 AbstractCegarLoop]: Abstraction has 177 states and 272 transitions. [2022-11-18 20:26:55,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-18 20:26:55,992 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 272 transitions. [2022-11-18 20:26:55,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-18 20:26:55,996 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:26:55,996 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:26:55,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:26:55,997 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-18 20:26:55,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:55,997 INFO L85 PathProgramCache]: Analyzing trace with hash 299517673, now seen corresponding path program 1 times [2022-11-18 20:26:55,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:55,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385496023] [2022-11-18 20:26:55,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:55,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:56,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:56,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-18 20:26:56,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:56,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 20:26:56,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:56,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-18 20:26:56,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:56,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 20:26:56,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:56,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 20:26:56,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:56,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-18 20:26:56,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:56,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 20:26:56,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:56,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-18 20:26:56,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:56,441 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-18 20:26:56,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:56,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385496023] [2022-11-18 20:26:56,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385496023] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:26:56,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [535712233] [2022-11-18 20:26:56,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:56,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:26:56,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b333078-7f88-40af-bd5c-ef2b4fdbceea/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:26:56,461 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b333078-7f88-40af-bd5c-ef2b4fdbceea/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:26:56,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b333078-7f88-40af-bd5c-ef2b4fdbceea/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 20:26:56,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:56,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:26:56,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:26:56,779 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:56,779 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:26:56,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [535712233] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:56,780 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:26:56,780 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2022-11-18 20:26:56,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170171355] [2022-11-18 20:26:56,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:56,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:26:56,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:56,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:26:56,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:26:56,784 INFO L87 Difference]: Start difference. First operand 177 states and 272 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-18 20:26:57,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:26:57,186 INFO L93 Difference]: Finished difference Result 495 states and 761 transitions. [2022-11-18 20:26:57,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:26:57,187 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 71 [2022-11-18 20:26:57,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:26:57,190 INFO L225 Difference]: With dead ends: 495 [2022-11-18 20:26:57,191 INFO L226 Difference]: Without dead ends: 335 [2022-11-18 20:26:57,192 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2022-11-18 20:26:57,193 INFO L413 NwaCegarLoop]: 260 mSDtfsCounter, 664 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 664 SdHoareTripleChecker+Valid, 736 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-18 20:26:57,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [664 Valid, 736 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-18 20:26:57,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2022-11-18 20:26:57,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 226. [2022-11-18 20:26:57,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 179 states have (on average 1.5139664804469273) internal successors, (271), 180 states have internal predecessors, (271), 35 states have call successors, (35), 10 states have call predecessors, (35), 10 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2022-11-18 20:26:57,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 341 transitions. [2022-11-18 20:26:57,236 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 341 transitions. Word has length 71 [2022-11-18 20:26:57,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:26:57,237 INFO L495 AbstractCegarLoop]: Abstraction has 226 states and 341 transitions. [2022-11-18 20:26:57,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-18 20:26:57,237 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 341 transitions. [2022-11-18 20:26:57,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-18 20:26:57,240 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:26:57,240 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:26:57,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b333078-7f88-40af-bd5c-ef2b4fdbceea/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-18 20:26:57,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b333078-7f88-40af-bd5c-ef2b4fdbceea/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:26:57,447 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-18 20:26:57,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:57,448 INFO L85 PathProgramCache]: Analyzing trace with hash -1150178477, now seen corresponding path program 1 times [2022-11-18 20:26:57,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:57,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450070273] [2022-11-18 20:26:57,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:57,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:57,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:57,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-18 20:26:57,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:57,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 20:26:57,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:57,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 20:26:57,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:57,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 20:26:57,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:57,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-18 20:26:57,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:57,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 20:26:57,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:57,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 20:26:57,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:57,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-18 20:26:57,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:57,589 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-18 20:26:57,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:57,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450070273] [2022-11-18 20:26:57,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450070273] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:26:57,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [884671637] [2022-11-18 20:26:57,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:57,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:26:57,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b333078-7f88-40af-bd5c-ef2b4fdbceea/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:26:57,591 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b333078-7f88-40af-bd5c-ef2b4fdbceea/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:26:57,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b333078-7f88-40af-bd5c-ef2b4fdbceea/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-18 20:26:57,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:57,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:26:57,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:26:57,900 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:57,900 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:26:57,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [884671637] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:57,900 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:26:57,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2022-11-18 20:26:57,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004593212] [2022-11-18 20:26:57,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:57,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:26:57,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:57,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:26:57,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:26:57,903 INFO L87 Difference]: Start difference. First operand 226 states and 341 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-18 20:26:58,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:26:58,232 INFO L93 Difference]: Finished difference Result 495 states and 759 transitions. [2022-11-18 20:26:58,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:26:58,233 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 72 [2022-11-18 20:26:58,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:26:58,236 INFO L225 Difference]: With dead ends: 495 [2022-11-18 20:26:58,236 INFO L226 Difference]: Without dead ends: 335 [2022-11-18 20:26:58,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2022-11-18 20:26:58,238 INFO L413 NwaCegarLoop]: 261 mSDtfsCounter, 660 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 660 SdHoareTripleChecker+Valid, 739 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:26:58,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [660 Valid, 739 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 20:26:58,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2022-11-18 20:26:58,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 226. [2022-11-18 20:26:58,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 179 states have (on average 1.5083798882681565) internal successors, (270), 180 states have internal predecessors, (270), 35 states have call successors, (35), 10 states have call predecessors, (35), 10 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2022-11-18 20:26:58,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 340 transitions. [2022-11-18 20:26:58,295 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 340 transitions. Word has length 72 [2022-11-18 20:26:58,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:26:58,295 INFO L495 AbstractCegarLoop]: Abstraction has 226 states and 340 transitions. [2022-11-18 20:26:58,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-18 20:26:58,296 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 340 transitions. [2022-11-18 20:26:58,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-18 20:26:58,299 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:26:58,299 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:26:58,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b333078-7f88-40af-bd5c-ef2b4fdbceea/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-18 20:26:58,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b333078-7f88-40af-bd5c-ef2b4fdbceea/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:26:58,506 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-18 20:26:58,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:58,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1344731844, now seen corresponding path program 1 times [2022-11-18 20:26:58,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:58,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369573267] [2022-11-18 20:26:58,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:58,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:58,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:58,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-18 20:26:58,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:58,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 20:26:58,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:58,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 20:26:58,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:58,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 20:26:58,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:58,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 20:26:58,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:58,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 20:26:58,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:58,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 20:26:58,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:58,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 20:26:58,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:58,673 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-18 20:26:58,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:58,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369573267] [2022-11-18 20:26:58,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369573267] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:26:58,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1560297849] [2022-11-18 20:26:58,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:58,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:26:58,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b333078-7f88-40af-bd5c-ef2b4fdbceea/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:26:58,684 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b333078-7f88-40af-bd5c-ef2b4fdbceea/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:26:58,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b333078-7f88-40af-bd5c-ef2b4fdbceea/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-18 20:26:58,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:58,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 20:26:58,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:26:58,925 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-18 20:26:58,926 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:26:58,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1560297849] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:58,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:26:58,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2022-11-18 20:26:58,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674689273] [2022-11-18 20:26:58,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:58,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:26:58,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:58,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:26:58,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:26:58,928 INFO L87 Difference]: Start difference. First operand 226 states and 340 transitions. Second operand has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-18 20:26:58,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:26:58,988 INFO L93 Difference]: Finished difference Result 308 states and 473 transitions. [2022-11-18 20:26:58,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:26:58,989 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 73 [2022-11-18 20:26:58,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:26:58,992 INFO L225 Difference]: With dead ends: 308 [2022-11-18 20:26:58,992 INFO L226 Difference]: Without dead ends: 307 [2022-11-18 20:26:58,992 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:26:58,993 INFO L413 NwaCegarLoop]: 293 mSDtfsCounter, 104 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 849 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:26:58,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 849 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:26:58,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2022-11-18 20:26:59,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 305. [2022-11-18 20:26:59,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 235 states have (on average 1.5063829787234042) internal successors, (354), 236 states have internal predecessors, (354), 58 states have call successors, (58), 10 states have call predecessors, (58), 10 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2022-11-18 20:26:59,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 470 transitions. [2022-11-18 20:26:59,032 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 470 transitions. Word has length 73 [2022-11-18 20:26:59,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:26:59,038 INFO L495 AbstractCegarLoop]: Abstraction has 305 states and 470 transitions. [2022-11-18 20:26:59,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-18 20:26:59,040 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 470 transitions. [2022-11-18 20:26:59,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-18 20:26:59,042 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:26:59,043 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:26:59,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b333078-7f88-40af-bd5c-ef2b4fdbceea/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-18 20:26:59,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b333078-7f88-40af-bd5c-ef2b4fdbceea/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:26:59,249 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-18 20:26:59,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:59,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1262986306, now seen corresponding path program 1 times [2022-11-18 20:26:59,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:59,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796092316] [2022-11-18 20:26:59,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:59,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:59,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:59,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-18 20:26:59,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:59,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 20:26:59,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:59,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 20:26:59,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:59,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 20:26:59,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:59,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 20:26:59,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:59,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 20:26:59,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:59,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 20:26:59,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:59,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 20:26:59,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:59,394 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-18 20:26:59,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:59,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796092316] [2022-11-18 20:26:59,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796092316] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:26:59,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1526061064] [2022-11-18 20:26:59,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:59,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:26:59,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b333078-7f88-40af-bd5c-ef2b4fdbceea/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:26:59,398 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b333078-7f88-40af-bd5c-ef2b4fdbceea/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:26:59,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b333078-7f88-40af-bd5c-ef2b4fdbceea/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-18 20:26:59,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:59,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 20:26:59,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:26:59,646 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-18 20:26:59,646 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:26:59,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1526061064] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:59,647 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:26:59,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2022-11-18 20:26:59,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571573956] [2022-11-18 20:26:59,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:59,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:26:59,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:59,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:26:59,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:26:59,650 INFO L87 Difference]: Start difference. First operand 305 states and 470 transitions. Second operand has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-18 20:26:59,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:26:59,706 INFO L93 Difference]: Finished difference Result 305 states and 470 transitions. [2022-11-18 20:26:59,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:26:59,707 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 74 [2022-11-18 20:26:59,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:26:59,714 INFO L225 Difference]: With dead ends: 305 [2022-11-18 20:26:59,714 INFO L226 Difference]: Without dead ends: 304 [2022-11-18 20:26:59,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:26:59,717 INFO L413 NwaCegarLoop]: 266 mSDtfsCounter, 108 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 638 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:26:59,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 638 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:26:59,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2022-11-18 20:26:59,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 304. [2022-11-18 20:26:59,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 235 states have (on average 1.5021276595744681) internal successors, (353), 235 states have internal predecessors, (353), 58 states have call successors, (58), 10 states have call predecessors, (58), 10 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2022-11-18 20:26:59,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 469 transitions. [2022-11-18 20:26:59,762 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 469 transitions. Word has length 74 [2022-11-18 20:26:59,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:26:59,763 INFO L495 AbstractCegarLoop]: Abstraction has 304 states and 469 transitions. [2022-11-18 20:26:59,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-18 20:26:59,763 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 469 transitions. [2022-11-18 20:26:59,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-11-18 20:26:59,775 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:26:59,775 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-18 20:26:59,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b333078-7f88-40af-bd5c-ef2b4fdbceea/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-18 20:26:59,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b333078-7f88-40af-bd5c-ef2b4fdbceea/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:26:59,986 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-18 20:26:59,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:59,986 INFO L85 PathProgramCache]: Analyzing trace with hash 965580742, now seen corresponding path program 1 times [2022-11-18 20:26:59,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:59,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901767581] [2022-11-18 20:26:59,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:59,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:00,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:00,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-18 20:27:00,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:00,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 20:27:00,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:00,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 20:27:00,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:00,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 20:27:00,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:00,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 20:27:00,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:00,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 20:27:00,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:00,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 20:27:00,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:00,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 20:27:00,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:00,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-18 20:27:00,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:00,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-18 20:27:00,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:00,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-18 20:27:00,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:00,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-18 20:27:00,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:00,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 20:27:00,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:00,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-18 20:27:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:00,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-18 20:27:00,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:00,179 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-11-18 20:27:00,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:27:00,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901767581] [2022-11-18 20:27:00,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901767581] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:27:00,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [81617343] [2022-11-18 20:27:00,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:00,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:27:00,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b333078-7f88-40af-bd5c-ef2b4fdbceea/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:27:00,181 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b333078-7f88-40af-bd5c-ef2b4fdbceea/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:27:00,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b333078-7f88-40af-bd5c-ef2b4fdbceea/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-18 20:27:00,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:00,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 675 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 20:27:00,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:27:00,603 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-11-18 20:27:00,604 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:27:00,844 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-11-18 20:27:00,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [81617343] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:27:00,845 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:27:00,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 14 [2022-11-18 20:27:00,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653050881] [2022-11-18 20:27:00,846 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:27:00,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-18 20:27:00,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:27:00,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-18 20:27:00,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2022-11-18 20:27:00,848 INFO L87 Difference]: Start difference. First operand 304 states and 469 transitions. Second operand has 14 states, 13 states have (on average 13.153846153846153) internal successors, (171), 14 states have internal predecessors, (171), 7 states have call successors, (37), 1 states have call predecessors, (37), 2 states have return successors, (37), 6 states have call predecessors, (37), 7 states have call successors, (37) [2022-11-18 20:27:01,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:27:01,187 INFO L93 Difference]: Finished difference Result 708 states and 1100 transitions. [2022-11-18 20:27:01,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-18 20:27:01,187 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 13.153846153846153) internal successors, (171), 14 states have internal predecessors, (171), 7 states have call successors, (37), 1 states have call predecessors, (37), 2 states have return successors, (37), 6 states have call predecessors, (37), 7 states have call successors, (37) Word has length 135 [2022-11-18 20:27:01,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:27:01,188 INFO L225 Difference]: With dead ends: 708 [2022-11-18 20:27:01,188 INFO L226 Difference]: Without dead ends: 0 [2022-11-18 20:27:01,190 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=261, Unknown=0, NotChecked=0, Total=342 [2022-11-18 20:27:01,191 INFO L413 NwaCegarLoop]: 312 mSDtfsCounter, 558 mSDsluCounter, 2416 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 622 SdHoareTripleChecker+Valid, 2728 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:27:01,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [622 Valid, 2728 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 20:27:01,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-18 20:27:01,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-18 20:27:01,192 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) [2022-11-18 20:27:01,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-18 20:27:01,193 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 135 [2022-11-18 20:27:01,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:27:01,193 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:27:01,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 13.153846153846153) internal successors, (171), 14 states have internal predecessors, (171), 7 states have call successors, (37), 1 states have call predecessors, (37), 2 states have return successors, (37), 6 states have call predecessors, (37), 7 states have call successors, (37) [2022-11-18 20:27:01,193 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-18 20:27:01,194 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-18 20:27:01,196 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-18 20:27:01,197 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-18 20:27:01,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b333078-7f88-40af-bd5c-ef2b4fdbceea/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-18 20:27:01,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b333078-7f88-40af-bd5c-ef2b4fdbceea/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:27:01,405 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-18 20:27:02,339 INFO L902 garLoopResultBuilder]: At program point L187(line 187) the Hoare annotation is: true [2022-11-18 20:27:02,339 INFO L899 garLoopResultBuilder]: For program point L187-1(line 187) no Hoare annotation was computed. [2022-11-18 20:27:02,339 INFO L899 garLoopResultBuilder]: For program point L184(lines 184 189) no Hoare annotation was computed. [2022-11-18 20:27:02,339 INFO L899 garLoopResultBuilder]: For program point L181(lines 181 189) no Hoare annotation was computed. [2022-11-18 20:27:02,339 INFO L902 garLoopResultBuilder]: At program point read_manual_selection_historyENTRY(lines 173 191) the Hoare annotation is: true [2022-11-18 20:27:02,339 INFO L899 garLoopResultBuilder]: For program point L178(lines 178 189) no Hoare annotation was computed. [2022-11-18 20:27:02,339 INFO L899 garLoopResultBuilder]: For program point read_manual_selection_historyEXIT(lines 173 191) no Hoare annotation was computed. [2022-11-18 20:27:02,340 INFO L899 garLoopResultBuilder]: For program point read_manual_selection_historyFINAL(lines 173 191) no Hoare annotation was computed. [2022-11-18 20:27:02,340 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 245) no Hoare annotation was computed. [2022-11-18 20:27:02,340 INFO L899 garLoopResultBuilder]: For program point flip_the_sideFINAL(lines 236 248) no Hoare annotation was computed. [2022-11-18 20:27:02,340 INFO L899 garLoopResultBuilder]: For program point L241-2(lines 241 245) no Hoare annotation was computed. [2022-11-18 20:27:02,340 INFO L902 garLoopResultBuilder]: At program point flip_the_sideENTRY(lines 236 248) the Hoare annotation is: true [2022-11-18 20:27:02,340 INFO L899 garLoopResultBuilder]: For program point flip_the_sideEXIT(lines 236 248) no Hoare annotation was computed. [2022-11-18 20:27:02,340 INFO L899 garLoopResultBuilder]: For program point read_side2_failed_historyEXIT(lines 113 131) no Hoare annotation was computed. [2022-11-18 20:27:02,340 INFO L902 garLoopResultBuilder]: At program point L127(line 127) the Hoare annotation is: true [2022-11-18 20:27:02,340 INFO L899 garLoopResultBuilder]: For program point L127-1(line 127) no Hoare annotation was computed. [2022-11-18 20:27:02,340 INFO L902 garLoopResultBuilder]: At program point read_side2_failed_historyENTRY(lines 113 131) the Hoare annotation is: true [2022-11-18 20:27:02,340 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 129) no Hoare annotation was computed. [2022-11-18 20:27:02,340 INFO L899 garLoopResultBuilder]: For program point read_side2_failed_historyFINAL(lines 113 131) no Hoare annotation was computed. [2022-11-18 20:27:02,341 INFO L899 garLoopResultBuilder]: For program point L121(lines 121 129) no Hoare annotation was computed. [2022-11-18 20:27:02,341 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 129) no Hoare annotation was computed. [2022-11-18 20:27:02,341 INFO L899 garLoopResultBuilder]: For program point L609(lines 609 613) no Hoare annotation was computed. [2022-11-18 20:27:02,341 INFO L902 garLoopResultBuilder]: At program point assertENTRY(lines 604 615) the Hoare annotation is: true [2022-11-18 20:27:02,341 INFO L899 garLoopResultBuilder]: For program point L609-2(lines 604 615) no Hoare annotation was computed. [2022-11-18 20:27:02,341 INFO L899 garLoopResultBuilder]: For program point assertEXIT(lines 604 615) no Hoare annotation was computed. [2022-11-18 20:27:02,341 INFO L899 garLoopResultBuilder]: For program point L611(line 611) no Hoare annotation was computed. [2022-11-18 20:27:02,341 INFO L902 garLoopResultBuilder]: At program point L97(line 97) the Hoare annotation is: true [2022-11-18 20:27:02,341 INFO L899 garLoopResultBuilder]: For program point L97-1(line 97) no Hoare annotation was computed. [2022-11-18 20:27:02,341 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 99) no Hoare annotation was computed. [2022-11-18 20:27:02,341 INFO L899 garLoopResultBuilder]: For program point read_side1_failed_historyFINAL(lines 83 101) no Hoare annotation was computed. [2022-11-18 20:27:02,341 INFO L899 garLoopResultBuilder]: For program point L91(lines 91 99) no Hoare annotation was computed. [2022-11-18 20:27:02,342 INFO L899 garLoopResultBuilder]: For program point read_side1_failed_historyEXIT(lines 83 101) no Hoare annotation was computed. [2022-11-18 20:27:02,342 INFO L899 garLoopResultBuilder]: For program point L88(lines 88 99) no Hoare annotation was computed. [2022-11-18 20:27:02,342 INFO L902 garLoopResultBuilder]: At program point read_side1_failed_historyENTRY(lines 83 101) the Hoare annotation is: true [2022-11-18 20:27:02,342 INFO L899 garLoopResultBuilder]: For program point L481(lines 481 492) no Hoare annotation was computed. [2022-11-18 20:27:02,342 INFO L899 garLoopResultBuilder]: For program point L514-1(line 514) no Hoare annotation was computed. [2022-11-18 20:27:02,342 INFO L899 garLoopResultBuilder]: For program point L448(line 448) no Hoare annotation was computed. [2022-11-18 20:27:02,342 INFO L895 garLoopResultBuilder]: At program point L597(line 597) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-11-18 20:27:02,342 INFO L899 garLoopResultBuilder]: For program point L597-1(line 597) no Hoare annotation was computed. [2022-11-18 20:27:02,342 INFO L895 garLoopResultBuilder]: At program point L498(line 498) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-11-18 20:27:02,343 INFO L899 garLoopResultBuilder]: For program point L498-1(line 498) no Hoare annotation was computed. [2022-11-18 20:27:02,343 INFO L899 garLoopResultBuilder]: For program point L366-1(lines 347 370) no Hoare annotation was computed. [2022-11-18 20:27:02,343 INFO L895 garLoopResultBuilder]: At program point L300(lines 293 313) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-11-18 20:27:02,343 INFO L895 garLoopResultBuilder]: At program point L515(line 515) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-11-18 20:27:02,343 INFO L895 garLoopResultBuilder]: At program point L482(line 482) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-11-18 20:27:02,343 INFO L899 garLoopResultBuilder]: For program point L515-1(line 515) no Hoare annotation was computed. [2022-11-18 20:27:02,343 INFO L899 garLoopResultBuilder]: For program point L449(lines 449 477) no Hoare annotation was computed. [2022-11-18 20:27:02,343 INFO L899 garLoopResultBuilder]: For program point L482-1(line 482) no Hoare annotation was computed. [2022-11-18 20:27:02,343 INFO L895 garLoopResultBuilder]: At program point L449-1(lines 449 477) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-11-18 20:27:02,343 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 370) no Hoare annotation was computed. [2022-11-18 20:27:02,344 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-18 20:27:02,344 INFO L899 garLoopResultBuilder]: For program point L218(lines 218 220) no Hoare annotation was computed. [2022-11-18 20:27:02,344 INFO L899 garLoopResultBuilder]: For program point L598(line 598) no Hoare annotation was computed. [2022-11-18 20:27:02,344 INFO L899 garLoopResultBuilder]: For program point L598-1(line 598) no Hoare annotation was computed. [2022-11-18 20:27:02,344 INFO L899 garLoopResultBuilder]: For program point L499(lines 499 501) no Hoare annotation was computed. [2022-11-18 20:27:02,344 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 408) no Hoare annotation was computed. [2022-11-18 20:27:02,344 INFO L895 garLoopResultBuilder]: At program point L367(line 367) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-11-18 20:27:02,344 INFO L899 garLoopResultBuilder]: For program point L400-1(lines 394 408) no Hoare annotation was computed. [2022-11-18 20:27:02,344 INFO L899 garLoopResultBuilder]: For program point L334(lines 334 340) no Hoare annotation was computed. [2022-11-18 20:27:02,344 INFO L899 garLoopResultBuilder]: For program point L367-1(line 367) no Hoare annotation was computed. [2022-11-18 20:27:02,344 INFO L899 garLoopResultBuilder]: For program point L516(lines 516 526) no Hoare annotation was computed. [2022-11-18 20:27:02,344 INFO L899 garLoopResultBuilder]: For program point L483(lines 483 485) no Hoare annotation was computed. [2022-11-18 20:27:02,345 INFO L895 garLoopResultBuilder]: At program point L450(line 450) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-11-18 20:27:02,345 INFO L899 garLoopResultBuilder]: For program point L450-1(line 450) no Hoare annotation was computed. [2022-11-18 20:27:02,351 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 355) no Hoare annotation was computed. [2022-11-18 20:27:02,352 INFO L895 garLoopResultBuilder]: At program point L318(lines 264 320) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-11-18 20:27:02,352 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 405) no Hoare annotation was computed. [2022-11-18 20:27:02,352 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 306) no Hoare annotation was computed. [2022-11-18 20:27:02,352 INFO L899 garLoopResultBuilder]: For program point L203(lines 203 205) no Hoare annotation was computed. [2022-11-18 20:27:02,352 INFO L895 garLoopResultBuilder]: At program point L170(lines 162 172) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-11-18 20:27:02,355 INFO L895 garLoopResultBuilder]: At program point L517(line 517) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-11-18 20:27:02,355 INFO L899 garLoopResultBuilder]: For program point L517-1(line 517) no Hoare annotation was computed. [2022-11-18 20:27:02,355 INFO L899 garLoopResultBuilder]: For program point L451(lines 451 476) no Hoare annotation was computed. [2022-11-18 20:27:02,355 INFO L895 garLoopResultBuilder]: At program point L518(line 518) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-11-18 20:27:02,355 INFO L899 garLoopResultBuilder]: For program point L518-1(line 518) no Hoare annotation was computed. [2022-11-18 20:27:02,356 INFO L895 garLoopResultBuilder]: At program point L452(line 452) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-11-18 20:27:02,356 INFO L899 garLoopResultBuilder]: For program point L452-1(line 452) no Hoare annotation was computed. [2022-11-18 20:27:02,356 INFO L895 garLoopResultBuilder]: At program point L386(line 386) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-11-18 20:27:02,356 INFO L899 garLoopResultBuilder]: For program point L386-1(line 386) no Hoare annotation was computed. [2022-11-18 20:27:02,356 INFO L899 garLoopResultBuilder]: For program point L221(lines 221 223) no Hoare annotation was computed. [2022-11-18 20:27:02,358 INFO L895 garLoopResultBuilder]: At program point L502(line 502) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-11-18 20:27:02,359 INFO L899 garLoopResultBuilder]: For program point L469(lines 469 471) no Hoare annotation was computed. [2022-11-18 20:27:02,359 INFO L899 garLoopResultBuilder]: For program point L502-1(line 502) no Hoare annotation was computed. [2022-11-18 20:27:02,359 INFO L899 garLoopResultBuilder]: For program point L519(lines 519 525) no Hoare annotation was computed. [2022-11-18 20:27:02,359 INFO L895 garLoopResultBuilder]: At program point L486(line 486) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-11-18 20:27:02,359 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 475) no Hoare annotation was computed. [2022-11-18 20:27:02,359 INFO L899 garLoopResultBuilder]: For program point L486-1(line 486) no Hoare annotation was computed. [2022-11-18 20:27:02,359 INFO L902 garLoopResultBuilder]: At program point L602(lines 532 603) the Hoare annotation is: true [2022-11-18 20:27:02,360 INFO L899 garLoopResultBuilder]: For program point L503(lines 503 507) no Hoare annotation was computed. [2022-11-18 20:27:02,360 INFO L899 garLoopResultBuilder]: For program point L206(lines 206 208) no Hoare annotation was computed. [2022-11-18 20:27:02,360 INFO L895 garLoopResultBuilder]: At program point L140(lines 132 142) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~s1p_old~0 1) 0) (<= (+ ~nomsg~0 1) 0) (<= (+ ~s2p_old~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-11-18 20:27:02,360 INFO L895 garLoopResultBuilder]: At program point L520(line 520) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-11-18 20:27:02,360 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 491) no Hoare annotation was computed. [2022-11-18 20:27:02,360 INFO L899 garLoopResultBuilder]: For program point L520-1(line 520) no Hoare annotation was computed. [2022-11-18 20:27:02,361 INFO L895 garLoopResultBuilder]: At program point L454(line 454) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-11-18 20:27:02,361 INFO L899 garLoopResultBuilder]: For program point L454-1(line 454) no Hoare annotation was computed. [2022-11-18 20:27:02,361 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-18 20:27:02,361 INFO L899 garLoopResultBuilder]: For program point L504(lines 504 506) no Hoare annotation was computed. [2022-11-18 20:27:02,361 INFO L895 garLoopResultBuilder]: At program point L521(line 521) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-11-18 20:27:02,361 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 490) no Hoare annotation was computed. [2022-11-18 20:27:02,362 INFO L899 garLoopResultBuilder]: For program point L521-1(line 521) no Hoare annotation was computed. [2022-11-18 20:27:02,362 INFO L899 garLoopResultBuilder]: For program point L455(lines 455 474) no Hoare annotation was computed. [2022-11-18 20:27:02,362 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 313) no Hoare annotation was computed. [2022-11-18 20:27:02,362 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 226) no Hoare annotation was computed. [2022-11-18 20:27:02,362 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 446) no Hoare annotation was computed. [2022-11-18 20:27:02,362 INFO L899 garLoopResultBuilder]: For program point L522(lines 522 524) no Hoare annotation was computed. [2022-11-18 20:27:02,362 INFO L895 garLoopResultBuilder]: At program point L456(line 456) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-11-18 20:27:02,363 INFO L899 garLoopResultBuilder]: For program point L456-1(line 456) no Hoare annotation was computed. [2022-11-18 20:27:02,363 INFO L895 garLoopResultBuilder]: At program point L357(lines 350 370) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-11-18 20:27:02,363 INFO L895 garLoopResultBuilder]: At program point L308(lines 301 313) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-11-18 20:27:02,363 INFO L899 garLoopResultBuilder]: For program point L209(lines 209 211) no Hoare annotation was computed. [2022-11-18 20:27:02,363 INFO L895 garLoopResultBuilder]: At program point L110(lines 102 112) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-11-18 20:27:02,363 INFO L895 garLoopResultBuilder]: At program point L556(line 556) the Hoare annotation is: (<= (+ ~nomsg~0 1) 0) [2022-11-18 20:27:02,364 INFO L899 garLoopResultBuilder]: For program point L556-1(line 556) no Hoare annotation was computed. [2022-11-18 20:27:02,364 INFO L899 garLoopResultBuilder]: For program point L457(lines 457 473) no Hoare annotation was computed. [2022-11-18 20:27:02,364 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 598) no Hoare annotation was computed. [2022-11-18 20:27:02,364 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-18 20:27:02,364 INFO L895 garLoopResultBuilder]: At program point L375(lines 321 377) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-11-18 20:27:02,364 INFO L899 garLoopResultBuilder]: For program point L309-1(lines 290 313) no Hoare annotation was computed. [2022-11-18 20:27:02,365 INFO L899 garLoopResultBuilder]: For program point L458(lines 458 462) no Hoare annotation was computed. [2022-11-18 20:27:02,365 INFO L899 garLoopResultBuilder]: For program point L458-2(lines 457 473) no Hoare annotation was computed. [2022-11-18 20:27:02,365 INFO L899 garLoopResultBuilder]: For program point L359(lines 359 363) no Hoare annotation was computed. [2022-11-18 20:27:02,365 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 313) no Hoare annotation was computed. [2022-11-18 20:27:02,366 INFO L899 garLoopResultBuilder]: For program point L227(lines 227 229) no Hoare annotation was computed. [2022-11-18 20:27:02,366 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 598) no Hoare annotation was computed. [2022-11-18 20:27:02,366 INFO L895 garLoopResultBuilder]: At program point L574-2(lines 574 600) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483647)) [2022-11-18 20:27:02,366 INFO L899 garLoopResultBuilder]: For program point L574-3(lines 574 600) no Hoare annotation was computed. [2022-11-18 20:27:02,366 INFO L899 garLoopResultBuilder]: For program point L442(lines 442 446) no Hoare annotation was computed. [2022-11-18 20:27:02,366 INFO L895 garLoopResultBuilder]: At program point L442-2(lines 439 446) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-11-18 20:27:02,367 INFO L895 garLoopResultBuilder]: At program point L310(line 310) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-11-18 20:27:02,367 INFO L899 garLoopResultBuilder]: For program point L277(lines 277 283) no Hoare annotation was computed. [2022-11-18 20:27:02,367 INFO L899 garLoopResultBuilder]: For program point L310-1(line 310) no Hoare annotation was computed. [2022-11-18 20:27:02,367 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 461) no Hoare annotation was computed. [2022-11-18 20:27:02,367 INFO L899 garLoopResultBuilder]: For program point L294(lines 294 298) no Hoare annotation was computed. [2022-11-18 20:27:02,368 INFO L895 garLoopResultBuilder]: At program point L261(lines 249 263) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-11-18 20:27:02,368 INFO L895 garLoopResultBuilder]: At program point L410(lines 378 412) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~s1p_old~0 1) 0) (<= (+ ~nomsg~0 1) 0) (<= (+ ~s2p_old~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-11-18 20:27:02,368 INFO L899 garLoopResultBuilder]: For program point L212(lines 212 214) no Hoare annotation was computed. [2022-11-18 20:27:02,369 INFO L895 garLoopResultBuilder]: At program point L80(lines 72 82) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-11-18 20:27:02,369 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 408) no Hoare annotation was computed. [2022-11-18 20:27:02,369 INFO L899 garLoopResultBuilder]: For program point L510(line 510) no Hoare annotation was computed. [2022-11-18 20:27:02,369 INFO L899 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2022-11-18 20:27:02,369 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 232) no Hoare annotation was computed. [2022-11-18 20:27:02,369 INFO L899 garLoopResultBuilder]: For program point L197(lines 197 199) no Hoare annotation was computed. [2022-11-18 20:27:02,370 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-18 20:27:02,370 INFO L899 garLoopResultBuilder]: For program point L511(lines 511 528) no Hoare annotation was computed. [2022-11-18 20:27:02,370 INFO L899 garLoopResultBuilder]: For program point L478(line 478) no Hoare annotation was computed. [2022-11-18 20:27:02,371 INFO L899 garLoopResultBuilder]: For program point L511-1(lines 511 528) no Hoare annotation was computed. [2022-11-18 20:27:02,371 INFO L899 garLoopResultBuilder]: For program point L495(lines 495 509) no Hoare annotation was computed. [2022-11-18 20:27:02,371 INFO L895 garLoopResultBuilder]: At program point L495-1(lines 495 509) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-11-18 20:27:02,371 INFO L895 garLoopResultBuilder]: At program point L512(line 512) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-11-18 20:27:02,371 INFO L899 garLoopResultBuilder]: For program point L479(lines 479 493) no Hoare annotation was computed. [2022-11-18 20:27:02,372 INFO L899 garLoopResultBuilder]: For program point L512-1(line 512) no Hoare annotation was computed. [2022-11-18 20:27:02,372 INFO L895 garLoopResultBuilder]: At program point L479-1(lines 479 493) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-11-18 20:27:02,372 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 370) no Hoare annotation was computed. [2022-11-18 20:27:02,372 INFO L899 garLoopResultBuilder]: For program point L215(lines 215 217) no Hoare annotation was computed. [2022-11-18 20:27:02,372 INFO L895 garLoopResultBuilder]: At program point L529(lines 413 531) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-11-18 20:27:02,372 INFO L895 garLoopResultBuilder]: At program point L496(line 496) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-11-18 20:27:02,373 INFO L899 garLoopResultBuilder]: For program point L496-1(line 496) no Hoare annotation was computed. [2022-11-18 20:27:02,373 INFO L899 garLoopResultBuilder]: For program point L463-1(lines 457 473) no Hoare annotation was computed. [2022-11-18 20:27:02,373 INFO L899 garLoopResultBuilder]: For program point L397(lines 397 408) no Hoare annotation was computed. [2022-11-18 20:27:02,373 INFO L899 garLoopResultBuilder]: For program point L513(lines 513 527) no Hoare annotation was computed. [2022-11-18 20:27:02,373 INFO L895 garLoopResultBuilder]: At program point L480(line 480) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-11-18 20:27:02,373 INFO L895 garLoopResultBuilder]: At program point L447(line 447) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-11-18 20:27:02,374 INFO L899 garLoopResultBuilder]: For program point L480-1(line 480) no Hoare annotation was computed. [2022-11-18 20:27:02,374 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 508) no Hoare annotation was computed. [2022-11-18 20:27:02,374 INFO L899 garLoopResultBuilder]: For program point L464(lines 464 466) no Hoare annotation was computed. [2022-11-18 20:27:02,374 INFO L895 garLoopResultBuilder]: At program point L365(lines 358 370) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-11-18 20:27:02,374 INFO L895 garLoopResultBuilder]: At program point L233(lines 192 235) the Hoare annotation is: (<= (+ ~nomsg~0 1) 0) [2022-11-18 20:27:02,374 INFO L899 garLoopResultBuilder]: For program point L200(lines 200 202) no Hoare annotation was computed. [2022-11-18 20:27:02,374 INFO L895 garLoopResultBuilder]: At program point L514(line 514) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (< |ULTIMATE.start_main_~i2~0#1| 2147483646)) [2022-11-18 20:27:02,375 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 57 59) the Hoare annotation is: true [2022-11-18 20:27:02,375 INFO L899 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2022-11-18 20:27:02,376 INFO L899 garLoopResultBuilder]: For program point L58-2(lines 57 59) no Hoare annotation was computed. [2022-11-18 20:27:02,376 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 57 59) no Hoare annotation was computed. [2022-11-18 20:27:02,376 INFO L902 garLoopResultBuilder]: At program point L157(line 157) the Hoare annotation is: true [2022-11-18 20:27:02,376 INFO L899 garLoopResultBuilder]: For program point L157-1(line 157) no Hoare annotation was computed. [2022-11-18 20:27:02,376 INFO L899 garLoopResultBuilder]: For program point L154(lines 154 159) no Hoare annotation was computed. [2022-11-18 20:27:02,376 INFO L902 garLoopResultBuilder]: At program point read_active_side_historyENTRY(lines 143 161) the Hoare annotation is: true [2022-11-18 20:27:02,376 INFO L899 garLoopResultBuilder]: For program point L151(lines 151 159) no Hoare annotation was computed. [2022-11-18 20:27:02,377 INFO L899 garLoopResultBuilder]: For program point L148(lines 148 159) no Hoare annotation was computed. [2022-11-18 20:27:02,377 INFO L899 garLoopResultBuilder]: For program point read_active_side_historyEXIT(lines 143 161) no Hoare annotation was computed. [2022-11-18 20:27:02,377 INFO L899 garLoopResultBuilder]: For program point read_active_side_historyFINAL(lines 143 161) no Hoare annotation was computed. [2022-11-18 20:27:02,381 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-18 20:27:02,384 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:27:02,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:27:02 BoogieIcfgContainer [2022-11-18 20:27:02,419 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:27:02,420 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:27:02,420 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:27:02,421 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:27:02,421 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:26:55" (3/4) ... [2022-11-18 20:27:02,424 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 20:27:02,430 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_manual_selection_history [2022-11-18 20:27:02,430 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure flip_the_side [2022-11-18 20:27:02,430 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_side2_failed_history [2022-11-18 20:27:02,431 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert [2022-11-18 20:27:02,431 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_side1_failed_history [2022-11-18 20:27:02,431 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-18 20:27:02,431 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_active_side_history [2022-11-18 20:27:02,450 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2022-11-18 20:27:02,451 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-18 20:27:02,452 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-18 20:27:02,453 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 20:27:02,494 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 <= i2 && s1p_\old + 1 <= 0) && nomsg + 1 <= 0) && s2p_\old + 1 <= 0) && i2 < 2147483646 [2022-11-18 20:27:02,494 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 <= i2 && s1p_\old + 1 <= 0) && nomsg + 1 <= 0) && s2p_\old + 1 <= 0) && i2 < 2147483646 [2022-11-18 20:27:02,564 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b333078-7f88-40af-bd5c-ef2b4fdbceea/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:27:02,564 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:27:02,565 INFO L158 Benchmark]: Toolchain (without parser) took 8998.62ms. Allocated memory was 121.6MB in the beginning and 211.8MB in the end (delta: 90.2MB). Free memory was 76.8MB in the beginning and 108.8MB in the end (delta: -32.0MB). Peak memory consumption was 58.9MB. Max. memory is 16.1GB. [2022-11-18 20:27:02,565 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 121.6MB. Free memory is still 93.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:27:02,566 INFO L158 Benchmark]: CACSL2BoogieTranslator took 447.79ms. Allocated memory is still 121.6MB. Free memory was 76.7MB in the beginning and 87.8MB in the end (delta: -11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 20:27:02,566 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.54ms. Allocated memory is still 121.6MB. Free memory was 87.8MB in the beginning and 84.5MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:27:02,566 INFO L158 Benchmark]: Boogie Preprocessor took 63.40ms. Allocated memory is still 121.6MB. Free memory was 84.5MB in the beginning and 82.0MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 20:27:02,567 INFO L158 Benchmark]: RCFGBuilder took 915.20ms. Allocated memory is still 121.6MB. Free memory was 82.0MB in the beginning and 50.0MB in the end (delta: 31.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-18 20:27:02,567 INFO L158 Benchmark]: TraceAbstraction took 7359.64ms. Allocated memory was 121.6MB in the beginning and 211.8MB in the end (delta: 90.2MB). Free memory was 49.6MB in the beginning and 118.3MB in the end (delta: -68.7MB). Peak memory consumption was 60.6MB. Max. memory is 16.1GB. [2022-11-18 20:27:02,568 INFO L158 Benchmark]: Witness Printer took 144.34ms. Allocated memory is still 211.8MB. Free memory was 118.3MB in the beginning and 108.8MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 20:27:02,570 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71ms. Allocated memory is still 121.6MB. Free memory is still 93.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 447.79ms. Allocated memory is still 121.6MB. Free memory was 76.7MB in the beginning and 87.8MB in the end (delta: -11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.54ms. Allocated memory is still 121.6MB. Free memory was 87.8MB in the beginning and 84.5MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.40ms. Allocated memory is still 121.6MB. Free memory was 84.5MB in the beginning and 82.0MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 915.20ms. Allocated memory is still 121.6MB. Free memory was 82.0MB in the beginning and 50.0MB in the end (delta: 31.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 7359.64ms. Allocated memory was 121.6MB in the beginning and 211.8MB in the end (delta: 90.2MB). Free memory was 49.6MB in the beginning and 118.3MB in the end (delta: -68.7MB). Peak memory consumption was 60.6MB. Max. memory is 16.1GB. * Witness Printer took 144.34ms. Allocated memory is still 211.8MB. Free memory was 118.3MB in the beginning and 108.8MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. 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: 598]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 598]: 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 8 procedures, 182 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 7.2s, OverallIterations: 6, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2196 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2094 mSDsluCounter, 5967 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4298 mSDsCounter, 192 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 520 IncrementalHoareTripleChecker+Invalid, 712 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 192 mSolverCounterUnsat, 1669 mSDtfsCounter, 520 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 706 GetRequests, 655 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=305occurred in iteration=4, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 220 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 451 PreInvPairs, 575 NumberOfFragments, 522 HoareAnnotationTreeSize, 451 FomulaSimplifications, 4916 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 54 FomulaSimplificationsInter, 1622 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 921 NumberOfCodeBlocks, 921 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1044 ConstructedInterpolants, 0 QuantifiedInterpolants, 1726 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2371 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 12 InterpolantComputations, 5 PerfectInterpolantSequences, 243/327 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 2 specifications checked. All of them hold - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: (0 <= i2 && nomsg + 1 <= 0) && i2 < 2147483646 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: (0 <= i2 && nomsg + 1 <= 0) && i2 < 2147483646 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: (0 <= i2 && nomsg + 1 <= 0) && i2 < 2147483646 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: (0 <= i2 && nomsg + 1 <= 0) && i2 < 2147483646 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: (((0 <= i2 && s1p_\old + 1 <= 0) && nomsg + 1 <= 0) && s2p_\old + 1 <= 0) && i2 < 2147483646 - InvariantResult [Line: 574]: Loop Invariant Derived loop invariant: (0 <= i2 && nomsg + 1 <= 0) && i2 < 2147483647 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: (0 <= i2 && nomsg + 1 <= 0) && i2 < 2147483646 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (0 <= i2 && nomsg + 1 <= 0) && i2 < 2147483646 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: (0 <= i2 && nomsg + 1 <= 0) && i2 < 2147483646 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: (0 <= i2 && nomsg + 1 <= 0) && i2 < 2147483646 - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: (((0 <= i2 && s1p_\old + 1 <= 0) && nomsg + 1 <= 0) && s2p_\old + 1 <= 0) && i2 < 2147483646 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: nomsg + 1 <= 0 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: (0 <= i2 && nomsg + 1 <= 0) && i2 < 2147483646 - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: (0 <= i2 && nomsg + 1 <= 0) && i2 < 2147483646 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: (0 <= i2 && nomsg + 1 <= 0) && i2 < 2147483646 RESULT: Ultimate proved your program to be correct! [2022-11-18 20:27:02,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b333078-7f88-40af-bd5c-ef2b4fdbceea/bin/uautomizer-TMbwUNV5ro/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