./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_05_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_744971ff-c6ac-4f81-8985-ed106afe5224/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744971ff-c6ac-4f81-8985-ed106afe5224/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_744971ff-c6ac-4f81-8985-ed106afe5224/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744971ff-c6ac-4f81-8985-ed106afe5224/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_05_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744971ff-c6ac-4f81-8985-ed106afe5224/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744971ff-c6ac-4f81-8985-ed106afe5224/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 64bit --witnessprinter.graph.data.programhash 6b212000c916ee5e1aaebc954fd49405a200cb20fd7c8e424ad762099e6b22d9 --- 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 20:48:16,074 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:48:16,077 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:48:16,111 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:48:16,112 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:48:16,113 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:48:16,115 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:48:16,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:48:16,119 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:48:16,120 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:48:16,121 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:48:16,122 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:48:16,123 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:48:16,124 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:48:16,125 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:48:16,127 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:48:16,128 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:48:16,129 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:48:16,131 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:48:16,133 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:48:16,135 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:48:16,137 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:48:16,138 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:48:16,140 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:48:16,144 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:48:16,144 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:48:16,144 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:48:16,146 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:48:16,146 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:48:16,147 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:48:16,148 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:48:16,149 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:48:16,150 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:48:16,151 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:48:16,152 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:48:16,153 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:48:16,154 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:48:16,154 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:48:16,155 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:48:16,156 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:48:16,157 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:48:16,158 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744971ff-c6ac-4f81-8985-ed106afe5224/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-18 20:48:16,183 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:48:16,183 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:48:16,184 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:48:16,184 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:48:16,185 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:48:16,185 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:48:16,186 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:48:16,186 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:48:16,187 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:48:16,187 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:48:16,187 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:48:16,188 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:48:16,188 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:48:16,188 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:48:16,188 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:48:16,189 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:48:16,189 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-18 20:48:16,189 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:48:16,189 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:48:16,190 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:48:16,190 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:48:16,190 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:48:16,191 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:48:16,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:48:16,191 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:48:16,191 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:48:16,192 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:48:16,192 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:48:16,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:48:16,192 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:48:16,193 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:48:16,193 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:48:16,193 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_744971ff-c6ac-4f81-8985-ed106afe5224/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744971ff-c6ac-4f81-8985-ed106afe5224/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b212000c916ee5e1aaebc954fd49405a200cb20fd7c8e424ad762099e6b22d9 [2022-11-18 20:48:16,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:48:16,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:48:16,535 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:48:16,538 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:48:16,539 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:48:16,541 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744971ff-c6ac-4f81-8985-ed106afe5224/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_05_good.i [2022-11-18 20:48:16,648 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744971ff-c6ac-4f81-8985-ed106afe5224/bin/uautomizer-TMbwUNV5ro/data/1c4857bc8/d47b02c2d88d4758967a58163bb11bc5/FLAG29b5a49d6 [2022-11-18 20:48:17,304 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:48:17,308 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744971ff-c6ac-4f81-8985-ed106afe5224/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_05_good.i [2022-11-18 20:48:17,337 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744971ff-c6ac-4f81-8985-ed106afe5224/bin/uautomizer-TMbwUNV5ro/data/1c4857bc8/d47b02c2d88d4758967a58163bb11bc5/FLAG29b5a49d6 [2022-11-18 20:48:17,503 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744971ff-c6ac-4f81-8985-ed106afe5224/bin/uautomizer-TMbwUNV5ro/data/1c4857bc8/d47b02c2d88d4758967a58163bb11bc5 [2022-11-18 20:48:17,506 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:48:17,507 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:48:17,511 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:48:17,511 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:48:17,515 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:48:17,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:48:17" (1/1) ... [2022-11-18 20:48:17,517 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e55e389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:17, skipping insertion in model container [2022-11-18 20:48:17,517 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:48:17" (1/1) ... [2022-11-18 20:48:17,525 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:48:17,603 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:48:18,037 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-18 20:48:18,706 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:48:18,727 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:48:18,762 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-18 20:48:18,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:48:19,028 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:48:19,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:19 WrapperNode [2022-11-18 20:48:19,029 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:48:19,030 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:48:19,031 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:48:19,031 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:48:19,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:19" (1/1) ... [2022-11-18 20:48:19,072 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:19" (1/1) ... [2022-11-18 20:48:19,107 INFO L138 Inliner]: procedures = 503, calls = 69, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 127 [2022-11-18 20:48:19,108 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:48:19,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:48:19,109 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:48:19,109 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:48:19,120 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:19" (1/1) ... [2022-11-18 20:48:19,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:19" (1/1) ... [2022-11-18 20:48:19,124 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:19" (1/1) ... [2022-11-18 20:48:19,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:19" (1/1) ... [2022-11-18 20:48:19,134 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:19" (1/1) ... [2022-11-18 20:48:19,136 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:19" (1/1) ... [2022-11-18 20:48:19,139 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:19" (1/1) ... [2022-11-18 20:48:19,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:19" (1/1) ... [2022-11-18 20:48:19,144 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:48:19,145 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:48:19,146 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:48:19,146 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:48:19,147 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:19" (1/1) ... [2022-11-18 20:48:19,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:48:19,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744971ff-c6ac-4f81-8985-ed106afe5224/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:19,194 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744971ff-c6ac-4f81-8985-ed106afe5224/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:19,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744971ff-c6ac-4f81-8985-ed106afe5224/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:48:19,238 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-18 20:48:19,239 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-18 20:48:19,239 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-18 20:48:19,239 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-18 20:48:19,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:48:19,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:48:19,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:48:19,241 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-18 20:48:19,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:48:19,494 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:48:19,497 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:48:19,899 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:48:19,906 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:48:19,907 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 20:48:19,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:48:19 BoogieIcfgContainer [2022-11-18 20:48:19,909 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:48:19,911 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:48:19,911 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:48:19,933 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:48:19,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:48:17" (1/3) ... [2022-11-18 20:48:19,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49bf61c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:48:19, skipping insertion in model container [2022-11-18 20:48:19,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:19" (2/3) ... [2022-11-18 20:48:19,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49bf61c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:48:19, skipping insertion in model container [2022-11-18 20:48:19,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:48:19" (3/3) ... [2022-11-18 20:48:19,937 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_predec_05_good.i [2022-11-18 20:48:19,962 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:48:19,963 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-18 20:48:20,028 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:48:20,037 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;@4f7e216e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:48:20,037 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-18 20:48:20,043 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 38 states have (on average 1.5526315789473684) internal successors, (59), 53 states have internal predecessors, (59), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-18 20:48:20,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-18 20:48:20,053 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:48:20,054 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:48:20,055 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:48:20,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:20,062 INFO L85 PathProgramCache]: Analyzing trace with hash 332326054, now seen corresponding path program 1 times [2022-11-18 20:48:20,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:48:20,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132806309] [2022-11-18 20:48:20,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:48:20,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:48:20,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:20,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:48:20,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:20,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:48:20,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:48:20,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132806309] [2022-11-18 20:48:20,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132806309] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:48:20,507 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:48:20,507 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:48:20,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872593321] [2022-11-18 20:48:20,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:48:20,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:48:20,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:48:20,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:48:20,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:48:20,564 INFO L87 Difference]: Start difference. First operand has 59 states, 38 states have (on average 1.5526315789473684) internal successors, (59), 53 states have internal predecessors, (59), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 20:48:20,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:48:20,648 INFO L93 Difference]: Finished difference Result 111 states and 148 transitions. [2022-11-18 20:48:20,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:48:20,652 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-18 20:48:20,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:48:20,662 INFO L225 Difference]: With dead ends: 111 [2022-11-18 20:48:20,670 INFO L226 Difference]: Without dead ends: 51 [2022-11-18 20:48:20,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:48:20,678 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 69 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:48:20,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 67 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:48:20,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-11-18 20:48:20,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-11-18 20:48:20,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 33 states have (on average 1.4242424242424243) internal successors, (47), 44 states have internal predecessors, (47), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-18 20:48:20,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 63 transitions. [2022-11-18 20:48:20,722 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 63 transitions. Word has length 12 [2022-11-18 20:48:20,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:48:20,724 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 63 transitions. [2022-11-18 20:48:20,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 20:48:20,724 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2022-11-18 20:48:20,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-18 20:48:20,726 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:48:20,726 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:48:20,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:48:20,727 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:48:20,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:20,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1267729675, now seen corresponding path program 1 times [2022-11-18 20:48:20,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:48:20,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470817071] [2022-11-18 20:48:20,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:48:20,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:48:20,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:20,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:48:20,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:20,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:48:20,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:48:20,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470817071] [2022-11-18 20:48:20,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470817071] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:48:20,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:48:20,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:48:20,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042048810] [2022-11-18 20:48:20,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:48:20,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:48:20,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:48:20,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:48:20,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:48:20,995 INFO L87 Difference]: Start difference. First operand 51 states and 63 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 20:48:21,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:48:21,023 INFO L93 Difference]: Finished difference Result 51 states and 63 transitions. [2022-11-18 20:48:21,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:48:21,024 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-11-18 20:48:21,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:48:21,025 INFO L225 Difference]: With dead ends: 51 [2022-11-18 20:48:21,027 INFO L226 Difference]: Without dead ends: 50 [2022-11-18 20:48:21,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:48:21,030 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 33 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:48:21,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 74 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:48:21,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-11-18 20:48:21,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-11-18 20:48:21,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 33 states have (on average 1.393939393939394) internal successors, (46), 43 states have internal predecessors, (46), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-18 20:48:21,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 62 transitions. [2022-11-18 20:48:21,045 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 62 transitions. Word has length 14 [2022-11-18 20:48:21,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:48:21,046 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 62 transitions. [2022-11-18 20:48:21,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 20:48:21,046 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2022-11-18 20:48:21,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-18 20:48:21,047 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:48:21,047 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:48:21,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:48:21,048 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:48:21,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:21,048 INFO L85 PathProgramCache]: Analyzing trace with hash 644914331, now seen corresponding path program 1 times [2022-11-18 20:48:21,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:48:21,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529359592] [2022-11-18 20:48:21,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:48:21,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:48:21,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:21,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:48:21,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:21,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:48:21,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:48:21,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529359592] [2022-11-18 20:48:21,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529359592] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:48:21,174 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:48:21,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:48:21,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486104848] [2022-11-18 20:48:21,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:48:21,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:48:21,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:48:21,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:48:21,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:48:21,177 INFO L87 Difference]: Start difference. First operand 50 states and 62 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 20:48:21,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:48:21,246 INFO L93 Difference]: Finished difference Result 50 states and 62 transitions. [2022-11-18 20:48:21,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:48:21,247 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-11-18 20:48:21,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:48:21,249 INFO L225 Difference]: With dead ends: 50 [2022-11-18 20:48:21,250 INFO L226 Difference]: Without dead ends: 49 [2022-11-18 20:48:21,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:48:21,253 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 3 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:48:21,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 111 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:48:21,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-11-18 20:48:21,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2022-11-18 20:48:21,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 42 states have internal predecessors, (45), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-18 20:48:21,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 61 transitions. [2022-11-18 20:48:21,270 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 61 transitions. Word has length 15 [2022-11-18 20:48:21,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:48:21,271 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 61 transitions. [2022-11-18 20:48:21,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 20:48:21,271 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 61 transitions. [2022-11-18 20:48:21,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-18 20:48:21,273 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:48:21,273 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:48:21,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:48:21,273 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:48:21,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:21,274 INFO L85 PathProgramCache]: Analyzing trace with hash 881836552, now seen corresponding path program 1 times [2022-11-18 20:48:21,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:48:21,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650825517] [2022-11-18 20:48:21,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:48:21,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:48:21,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:21,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:48:21,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:21,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 20:48:21,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:21,415 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-18 20:48:21,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:48:21,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650825517] [2022-11-18 20:48:21,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650825517] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:48:21,417 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:48:21,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:48:21,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40350902] [2022-11-18 20:48:21,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:48:21,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:48:21,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:48:21,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:48:21,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:48:21,422 INFO L87 Difference]: Start difference. First operand 49 states and 61 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 20:48:21,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:48:21,457 INFO L93 Difference]: Finished difference Result 83 states and 99 transitions. [2022-11-18 20:48:21,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:48:21,461 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 24 [2022-11-18 20:48:21,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:48:21,462 INFO L225 Difference]: With dead ends: 83 [2022-11-18 20:48:21,462 INFO L226 Difference]: Without dead ends: 47 [2022-11-18 20:48:21,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:48:21,464 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 48 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:48:21,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 53 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:48:21,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-11-18 20:48:21,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2022-11-18 20:48:21,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 33 states have (on average 1.303030303030303) internal successors, (43), 40 states have internal predecessors, (43), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-18 20:48:21,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 55 transitions. [2022-11-18 20:48:21,472 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 55 transitions. Word has length 24 [2022-11-18 20:48:21,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:48:21,472 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 55 transitions. [2022-11-18 20:48:21,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 20:48:21,472 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2022-11-18 20:48:21,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-18 20:48:21,473 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:48:21,474 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:48:21,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 20:48:21,474 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:48:21,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:21,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1942028122, now seen corresponding path program 1 times [2022-11-18 20:48:21,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:48:21,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917579195] [2022-11-18 20:48:21,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:48:21,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:48:21,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:21,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:48:21,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:21,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 20:48:21,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:21,620 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-18 20:48:21,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:48:21,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917579195] [2022-11-18 20:48:21,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917579195] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:48:21,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:48:21,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:48:21,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700377620] [2022-11-18 20:48:21,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:48:21,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:48:21,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:48:21,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:48:21,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:48:21,629 INFO L87 Difference]: Start difference. First operand 47 states and 55 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 20:48:21,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:48:21,664 INFO L93 Difference]: Finished difference Result 47 states and 55 transitions. [2022-11-18 20:48:21,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:48:21,665 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2022-11-18 20:48:21,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:48:21,668 INFO L225 Difference]: With dead ends: 47 [2022-11-18 20:48:21,670 INFO L226 Difference]: Without dead ends: 46 [2022-11-18 20:48:21,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:48:21,672 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 19 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:48:21,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 76 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:48:21,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-11-18 20:48:21,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-11-18 20:48:21,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 39 states have internal predecessors, (42), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-18 20:48:21,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 54 transitions. [2022-11-18 20:48:21,686 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 54 transitions. Word has length 25 [2022-11-18 20:48:21,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:48:21,686 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 54 transitions. [2022-11-18 20:48:21,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 20:48:21,687 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2022-11-18 20:48:21,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-18 20:48:21,688 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:48:21,688 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:48:21,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 20:48:21,689 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:48:21,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:21,689 INFO L85 PathProgramCache]: Analyzing trace with hash 73329737, now seen corresponding path program 1 times [2022-11-18 20:48:21,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:48:21,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357078346] [2022-11-18 20:48:21,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:48:21,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:48:21,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:21,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:48:21,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:21,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 20:48:21,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:21,772 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-18 20:48:21,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:48:21,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357078346] [2022-11-18 20:48:21,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357078346] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:48:21,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:48:21,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:48:21,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790170327] [2022-11-18 20:48:21,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:48:21,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:48:21,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:48:21,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:48:21,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:48:21,777 INFO L87 Difference]: Start difference. First operand 46 states and 54 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 20:48:21,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:48:21,801 INFO L93 Difference]: Finished difference Result 46 states and 54 transitions. [2022-11-18 20:48:21,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:48:21,802 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2022-11-18 20:48:21,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:48:21,804 INFO L225 Difference]: With dead ends: 46 [2022-11-18 20:48:21,804 INFO L226 Difference]: Without dead ends: 45 [2022-11-18 20:48:21,805 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:48:21,808 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 3 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:48:21,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 95 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:48:21,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-11-18 20:48:21,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-11-18 20:48:21,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 38 states have internal predecessors, (41), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-18 20:48:21,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 53 transitions. [2022-11-18 20:48:21,834 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 53 transitions. Word has length 26 [2022-11-18 20:48:21,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:48:21,834 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 53 transitions. [2022-11-18 20:48:21,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 20:48:21,835 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 53 transitions. [2022-11-18 20:48:21,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-18 20:48:21,838 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:48:21,838 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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 20:48:21,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 20:48:21,843 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:48:21,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:21,844 INFO L85 PathProgramCache]: Analyzing trace with hash 745918815, now seen corresponding path program 1 times [2022-11-18 20:48:21,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:48:21,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022619300] [2022-11-18 20:48:21,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:48:21,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:48:21,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:21,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:48:21,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:21,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 20:48:21,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:21,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-18 20:48:21,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:21,961 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 20:48:21,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:48:21,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022619300] [2022-11-18 20:48:21,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022619300] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:48:21,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:48:21,963 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:48:21,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778406047] [2022-11-18 20:48:21,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:48:21,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:48:21,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:48:21,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:48:21,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:48:21,966 INFO L87 Difference]: Start difference. First operand 45 states and 53 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-18 20:48:21,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:48:21,992 INFO L93 Difference]: Finished difference Result 45 states and 53 transitions. [2022-11-18 20:48:21,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:48:21,993 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 33 [2022-11-18 20:48:21,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:48:21,994 INFO L225 Difference]: With dead ends: 45 [2022-11-18 20:48:21,995 INFO L226 Difference]: Without dead ends: 44 [2022-11-18 20:48:21,995 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:48:21,998 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 8 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:48:21,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 88 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:48:22,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-11-18 20:48:22,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-11-18 20:48:22,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 37 states have internal predecessors, (40), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-18 20:48:22,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 52 transitions. [2022-11-18 20:48:22,011 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 52 transitions. Word has length 33 [2022-11-18 20:48:22,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:48:22,011 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 52 transitions. [2022-11-18 20:48:22,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-18 20:48:22,012 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2022-11-18 20:48:22,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-18 20:48:22,013 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:48:22,013 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 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 20:48:22,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 20:48:22,013 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:48:22,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:22,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1648646907, now seen corresponding path program 1 times [2022-11-18 20:48:22,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:48:22,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772136511] [2022-11-18 20:48:22,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:48:22,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:48:22,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:22,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:48:22,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:22,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 20:48:22,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:22,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-18 20:48:22,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:22,087 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 20:48:22,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:48:22,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772136511] [2022-11-18 20:48:22,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772136511] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:48:22,098 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:48:22,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:48:22,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352375466] [2022-11-18 20:48:22,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:48:22,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:48:22,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:48:22,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:48:22,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:48:22,102 INFO L87 Difference]: Start difference. First operand 44 states and 52 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-18 20:48:22,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:48:22,121 INFO L93 Difference]: Finished difference Result 44 states and 52 transitions. [2022-11-18 20:48:22,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:48:22,121 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 34 [2022-11-18 20:48:22,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:48:22,122 INFO L225 Difference]: With dead ends: 44 [2022-11-18 20:48:22,122 INFO L226 Difference]: Without dead ends: 43 [2022-11-18 20:48:22,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:48:22,124 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 0 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:48:22,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 95 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:48:22,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-18 20:48:22,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-11-18 20:48:22,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 33 states have (on average 1.1818181818181819) internal successors, (39), 36 states have internal predecessors, (39), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-18 20:48:22,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 51 transitions. [2022-11-18 20:48:22,130 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 51 transitions. Word has length 34 [2022-11-18 20:48:22,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:48:22,131 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 51 transitions. [2022-11-18 20:48:22,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-18 20:48:22,131 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 51 transitions. [2022-11-18 20:48:22,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-18 20:48:22,132 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:48:22,132 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:48:22,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 20:48:22,133 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:48:22,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:22,133 INFO L85 PathProgramCache]: Analyzing trace with hash 914121248, now seen corresponding path program 1 times [2022-11-18 20:48:22,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:48:22,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014585331] [2022-11-18 20:48:22,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:48:22,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:48:22,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:22,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:48:22,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:22,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 20:48:22,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:22,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-18 20:48:22,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:22,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:48:22,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:22,231 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 20:48:22,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:48:22,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014585331] [2022-11-18 20:48:22,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014585331] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:48:22,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:48:22,232 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:48:22,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759808441] [2022-11-18 20:48:22,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:48:22,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:48:22,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:48:22,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:48:22,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:48:22,234 INFO L87 Difference]: Start difference. First operand 43 states and 51 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-18 20:48:22,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:48:22,244 INFO L93 Difference]: Finished difference Result 43 states and 51 transitions. [2022-11-18 20:48:22,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:48:22,244 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 42 [2022-11-18 20:48:22,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:48:22,246 INFO L225 Difference]: With dead ends: 43 [2022-11-18 20:48:22,246 INFO L226 Difference]: Without dead ends: 42 [2022-11-18 20:48:22,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:48:22,247 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 2 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:48:22,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 93 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:48:22,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-11-18 20:48:22,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2022-11-18 20:48:22,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 33 states have (on average 1.1515151515151516) internal successors, (38), 35 states have internal predecessors, (38), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-18 20:48:22,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 50 transitions. [2022-11-18 20:48:22,256 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 50 transitions. Word has length 42 [2022-11-18 20:48:22,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:48:22,257 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 50 transitions. [2022-11-18 20:48:22,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-18 20:48:22,258 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2022-11-18 20:48:22,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-18 20:48:22,266 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:48:22,266 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:48:22,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 20:48:22,267 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 20:48:22,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:22,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1727012244, now seen corresponding path program 1 times [2022-11-18 20:48:22,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:48:22,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21774564] [2022-11-18 20:48:22,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:48:22,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:48:22,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:22,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:48:22,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:22,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 20:48:22,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:22,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-18 20:48:22,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:22,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:48:22,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:22,365 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 20:48:22,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:48:22,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21774564] [2022-11-18 20:48:22,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21774564] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:48:22,366 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:48:22,366 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:48:22,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256298335] [2022-11-18 20:48:22,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:48:22,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:48:22,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:48:22,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:48:22,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:48:22,368 INFO L87 Difference]: Start difference. First operand 42 states and 50 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-18 20:48:22,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:48:22,376 INFO L93 Difference]: Finished difference Result 42 states and 50 transitions. [2022-11-18 20:48:22,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:48:22,376 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 43 [2022-11-18 20:48:22,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:48:22,377 INFO L225 Difference]: With dead ends: 42 [2022-11-18 20:48:22,377 INFO L226 Difference]: Without dead ends: 0 [2022-11-18 20:48:22,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:48:22,379 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 0 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:48:22,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:48:22,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-18 20:48:22,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-18 20:48:22,380 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 20:48:22,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-18 20:48:22,381 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2022-11-18 20:48:22,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:48:22,381 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:48:22,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-18 20:48:22,382 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-18 20:48:22,382 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-18 20:48:22,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-18 20:48:22,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-18 20:48:22,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-18 20:48:22,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-18 20:48:22,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-18 20:48:22,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-18 20:48:22,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-18 20:48:22,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-18 20:48:22,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 20:48:22,390 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-18 20:48:22,466 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-18 20:48:22,467 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-18 20:48:22,467 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-18 20:48:22,467 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-18 20:48:22,467 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-18 20:48:22,467 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-18 20:48:22,467 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-18 20:48:22,468 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1588) no Hoare annotation was computed. [2022-11-18 20:48:22,468 INFO L899 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2022-11-18 20:48:22,468 INFO L899 garLoopResultBuilder]: For program point L1588-1(line 1588) no Hoare annotation was computed. [2022-11-18 20:48:22,468 INFO L895 garLoopResultBuilder]: At program point L1646(line 1646) the Hoare annotation is: (and (= ~staticFalse~0 0) (= ~staticTrue~0 1)) [2022-11-18 20:48:22,468 INFO L899 garLoopResultBuilder]: For program point L1646-1(line 1646) no Hoare annotation was computed. [2022-11-18 20:48:22,468 INFO L899 garLoopResultBuilder]: For program point L1613(line 1613) no Hoare annotation was computed. [2022-11-18 20:48:22,468 INFO L899 garLoopResultBuilder]: For program point L1580(lines 1580 1583) no Hoare annotation was computed. [2022-11-18 20:48:22,469 INFO L899 garLoopResultBuilder]: For program point L1613-1(line 1613) no Hoare annotation was computed. [2022-11-18 20:48:22,469 INFO L899 garLoopResultBuilder]: For program point L1580-2(lines 1577 1597) no Hoare annotation was computed. [2022-11-18 20:48:22,469 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1630) no Hoare annotation was computed. [2022-11-18 20:48:22,469 INFO L895 garLoopResultBuilder]: At program point L1572(line 1572) the Hoare annotation is: (and (= ~staticFalse~0 0) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) (= ~staticTrue~0 1)) [2022-11-18 20:48:22,469 INFO L899 garLoopResultBuilder]: For program point L1572-1(lines 1558 1574) no Hoare annotation was computed. [2022-11-18 20:48:22,469 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1566) no Hoare annotation was computed. [2022-11-18 20:48:22,470 INFO L899 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2022-11-18 20:48:22,470 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-18 20:48:22,470 INFO L899 garLoopResultBuilder]: For program point L1630-1(line 1630) no Hoare annotation was computed. [2022-11-18 20:48:22,470 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-18 20:48:22,470 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1573) no Hoare annotation was computed. [2022-11-18 20:48:22,470 INFO L899 garLoopResultBuilder]: For program point L1556(line 1556) no Hoare annotation was computed. [2022-11-18 20:48:22,470 INFO L899 garLoopResultBuilder]: For program point L1556-2(line 1556) no Hoare annotation was computed. [2022-11-18 20:48:22,470 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1566) no Hoare annotation was computed. [2022-11-18 20:48:22,471 INFO L899 garLoopResultBuilder]: For program point L1598(lines 1598 1618) no Hoare annotation was computed. [2022-11-18 20:48:22,471 INFO L899 garLoopResultBuilder]: For program point L1623(lines 1623 1626) no Hoare annotation was computed. [2022-11-18 20:48:22,471 INFO L895 garLoopResultBuilder]: At program point L1590(line 1590) the Hoare annotation is: (and (= ~staticFalse~0 0) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647) (= ~staticTrue~0 1)) [2022-11-18 20:48:22,471 INFO L899 garLoopResultBuilder]: For program point L1623-2(lines 1620 1635) no Hoare annotation was computed. [2022-11-18 20:48:22,471 INFO L895 garLoopResultBuilder]: At program point L1648(line 1648) the Hoare annotation is: (= ~staticTrue~0 1) [2022-11-18 20:48:22,471 INFO L895 garLoopResultBuilder]: At program point L1615(line 1615) the Hoare annotation is: (and (= ~staticFalse~0 0) (<= (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|) 0) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647) (= ~staticTrue~0 1)) [2022-11-18 20:48:22,472 INFO L899 garLoopResultBuilder]: For program point L1648-1(line 1648) no Hoare annotation was computed. [2022-11-18 20:48:22,472 INFO L899 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2022-11-18 20:48:22,472 INFO L899 garLoopResultBuilder]: For program point L1582-2(line 1582) no Hoare annotation was computed. [2022-11-18 20:48:22,472 INFO L895 garLoopResultBuilder]: At program point L1632(line 1632) the Hoare annotation is: (= ~staticTrue~0 1) [2022-11-18 20:48:22,472 INFO L899 garLoopResultBuilder]: For program point L1566(line 1566) no Hoare annotation was computed. [2022-11-18 20:48:22,472 INFO L899 garLoopResultBuilder]: For program point L1566-1(line 1566) no Hoare annotation was computed. [2022-11-18 20:48:22,472 INFO L895 garLoopResultBuilder]: At program point L1649(lines 1643 1650) the Hoare annotation is: (= ~staticTrue~0 1) [2022-11-18 20:48:22,472 INFO L899 garLoopResultBuilder]: For program point L1576(lines 1576 1597) no Hoare annotation was computed. [2022-11-18 20:48:22,473 INFO L895 garLoopResultBuilder]: At program point L1568(line 1568) the Hoare annotation is: (and (= ~staticFalse~0 0) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) (= ~staticTrue~0 1)) [2022-11-18 20:48:22,473 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-18 20:48:22,473 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1613) no Hoare annotation was computed. [2022-11-18 20:48:22,473 INFO L895 garLoopResultBuilder]: At program point L1560(line 1560) the Hoare annotation is: false [2022-11-18 20:48:22,473 INFO L899 garLoopResultBuilder]: For program point L1602(lines 1602 1609) no Hoare annotation was computed. [2022-11-18 20:48:22,473 INFO L899 garLoopResultBuilder]: For program point L1602-1(lines 1599 1618) no Hoare annotation was computed. [2022-11-18 20:48:22,474 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-18 20:48:22,474 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1613) no Hoare annotation was computed. [2022-11-18 20:48:22,474 INFO L895 garLoopResultBuilder]: At program point L1594(line 1594) the Hoare annotation is: (and (= ~staticFalse~0 0) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647) (= ~staticTrue~0 1)) [2022-11-18 20:48:22,474 INFO L899 garLoopResultBuilder]: For program point L1619(lines 1619 1635) no Hoare annotation was computed. [2022-11-18 20:48:22,474 INFO L899 garLoopResultBuilder]: For program point L1586(lines 1586 1595) no Hoare annotation was computed. [2022-11-18 20:48:22,474 INFO L899 garLoopResultBuilder]: For program point L1636(lines 1636 1642) no Hoare annotation was computed. [2022-11-18 20:48:22,475 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1588) no Hoare annotation was computed. [2022-11-18 20:48:22,475 INFO L899 garLoopResultBuilder]: For program point L1554(lines 1554 1557) no Hoare annotation was computed. [2022-11-18 20:48:22,475 INFO L899 garLoopResultBuilder]: For program point L1554-2(lines 1551 1575) no Hoare annotation was computed. [2022-11-18 20:48:22,475 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1630) no Hoare annotation was computed. [2022-11-18 20:48:22,475 INFO L895 garLoopResultBuilder]: At program point L1604(line 1604) the Hoare annotation is: false [2022-11-18 20:48:22,479 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:48:22,481 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:48:22,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:48:22 BoogieIcfgContainer [2022-11-18 20:48:22,497 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:48:22,498 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:48:22,498 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:48:22,499 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:48:22,499 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:48:19" (3/4) ... [2022-11-18 20:48:22,503 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 20:48:22,511 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-18 20:48:22,511 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-18 20:48:22,520 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-18 20:48:22,521 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-18 20:48:22,521 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-18 20:48:22,522 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 20:48:22,593 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744971ff-c6ac-4f81-8985-ed106afe5224/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:48:22,594 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:48:22,595 INFO L158 Benchmark]: Toolchain (without parser) took 5087.25ms. Allocated memory was 100.7MB in the beginning and 153.1MB in the end (delta: 52.4MB). Free memory was 62.4MB in the beginning and 82.1MB in the end (delta: -19.6MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. [2022-11-18 20:48:22,595 INFO L158 Benchmark]: CDTParser took 1.26ms. Allocated memory is still 100.7MB. Free memory was 71.5MB in the beginning and 71.5MB in the end (delta: 31.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:48:22,596 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1518.27ms. Allocated memory was 100.7MB in the beginning and 123.7MB in the end (delta: 23.1MB). Free memory was 62.1MB in the beginning and 87.2MB in the end (delta: -25.1MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2022-11-18 20:48:22,596 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.99ms. Allocated memory is still 123.7MB. Free memory was 87.2MB in the beginning and 83.9MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:48:22,596 INFO L158 Benchmark]: Boogie Preprocessor took 35.87ms. Allocated memory is still 123.7MB. Free memory was 83.9MB in the beginning and 81.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:48:22,597 INFO L158 Benchmark]: RCFGBuilder took 763.99ms. Allocated memory is still 123.7MB. Free memory was 81.8MB in the beginning and 64.1MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-18 20:48:22,598 INFO L158 Benchmark]: TraceAbstraction took 2586.36ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 63.5MB in the beginning and 86.3MB in the end (delta: -22.8MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2022-11-18 20:48:22,598 INFO L158 Benchmark]: Witness Printer took 95.85ms. Allocated memory is still 153.1MB. Free memory was 86.3MB in the beginning and 82.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 20:48:22,601 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.26ms. Allocated memory is still 100.7MB. Free memory was 71.5MB in the beginning and 71.5MB in the end (delta: 31.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1518.27ms. Allocated memory was 100.7MB in the beginning and 123.7MB in the end (delta: 23.1MB). Free memory was 62.1MB in the beginning and 87.2MB in the end (delta: -25.1MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.99ms. Allocated memory is still 123.7MB. Free memory was 87.2MB in the beginning and 83.9MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.87ms. Allocated memory is still 123.7MB. Free memory was 83.9MB in the beginning and 81.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 763.99ms. Allocated memory is still 123.7MB. Free memory was 81.8MB in the beginning and 64.1MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2586.36ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 63.5MB in the beginning and 86.3MB in the end (delta: -22.8MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * Witness Printer took 95.85ms. Allocated memory is still 153.1MB. Free memory was 86.3MB in the beginning and 82.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1588]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1588]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1613]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1613]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1630]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1630]: 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 3 procedures, 59 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 196 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 185 mSDsluCounter, 845 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 315 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 39 IncrementalHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 530 mSDtfsCounter, 39 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred in iteration=0, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 33 PreInvPairs, 41 NumberOfFragments, 84 HoareAnnotationTreeSize, 33 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 30 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 268 NumberOfCodeBlocks, 268 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 352 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 60/60 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 8 specifications checked. All of them hold - InvariantResult [Line: 1643]: Loop Invariant Derived loop invariant: staticTrue == 1 RESULT: Ultimate proved your program to be correct! [2022-11-18 20:48:22,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744971ff-c6ac-4f81-8985-ed106afe5224/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