./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/seq-pthread/cs_szymanski.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_8a5f295f-2252-4b5c-97ed-a23735123d14/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5f295f-2252-4b5c-97ed-a23735123d14/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5f295f-2252-4b5c-97ed-a23735123d14/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5f295f-2252-4b5c-97ed-a23735123d14/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_szymanski.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5f295f-2252-4b5c-97ed-a23735123d14/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5f295f-2252-4b5c-97ed-a23735123d14/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8c5cb1d1ec86f1df708ae47d652aad74925d4eb7bf3fc3a2c37d76896a5071e8 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 12:43:29,038 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:43:29,040 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:43:29,082 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:43:29,082 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:43:29,083 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:43:29,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:43:29,087 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:43:29,089 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:43:29,090 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:43:29,095 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:43:29,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:43:29,099 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:43:29,105 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:43:29,108 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:43:29,110 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:43:29,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:43:29,114 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:43:29,116 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:43:29,123 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:43:29,125 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:43:29,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:43:29,130 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:43:29,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:43:29,140 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:43:29,141 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:43:29,141 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:43:29,143 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:43:29,143 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:43:29,144 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:43:29,144 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:43:29,145 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:43:29,147 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:43:29,148 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:43:29,150 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:43:29,150 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:43:29,151 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:43:29,151 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:43:29,152 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:43:29,153 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:43:29,154 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:43:29,155 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5f295f-2252-4b5c-97ed-a23735123d14/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-20 12:43:29,192 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:43:29,193 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:43:29,193 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:43:29,193 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:43:29,194 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:43:29,194 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:43:29,195 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:43:29,195 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:43:29,195 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:43:29,195 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:43:29,196 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 12:43:29,196 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 12:43:29,196 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:43:29,196 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 12:43:29,196 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:43:29,197 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:43:29,197 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:43:29,197 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:43:29,197 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 12:43:29,197 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 12:43:29,198 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:43:29,198 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:43:29,198 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:43:29,198 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:43:29,198 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:43:29,199 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:43:29,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:43:29,199 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:43:29,199 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:43:29,200 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:43:29,200 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:43:29,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 12:43:29,200 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:43:29,200 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:43:29,200 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:43:29,201 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_8a5f295f-2252-4b5c-97ed-a23735123d14/bin/uautomizer-ug76WZFUDN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5f295f-2252-4b5c-97ed-a23735123d14/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c5cb1d1ec86f1df708ae47d652aad74925d4eb7bf3fc3a2c37d76896a5071e8 [2022-11-20 12:43:29,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:43:29,530 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:43:29,533 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:43:29,534 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:43:29,535 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:43:29,536 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5f295f-2252-4b5c-97ed-a23735123d14/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/seq-pthread/cs_szymanski.i [2022-11-20 12:43:32,741 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:43:32,997 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:43:32,997 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5f295f-2252-4b5c-97ed-a23735123d14/sv-benchmarks/c/seq-pthread/cs_szymanski.i [2022-11-20 12:43:33,013 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5f295f-2252-4b5c-97ed-a23735123d14/bin/uautomizer-ug76WZFUDN/data/e3f5a8117/f9c386862d2a4d8ea36ca55cdf74a434/FLAG5e1c4d092 [2022-11-20 12:43:33,037 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5f295f-2252-4b5c-97ed-a23735123d14/bin/uautomizer-ug76WZFUDN/data/e3f5a8117/f9c386862d2a4d8ea36ca55cdf74a434 [2022-11-20 12:43:33,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:43:33,041 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:43:33,046 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:43:33,046 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:43:33,050 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:43:33,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:43:33" (1/1) ... [2022-11-20 12:43:33,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d9c0d5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:43:33, skipping insertion in model container [2022-11-20 12:43:33,052 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:43:33" (1/1) ... [2022-11-20 12:43:33,061 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:43:33,136 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:43:33,584 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5f295f-2252-4b5c-97ed-a23735123d14/sv-benchmarks/c/seq-pthread/cs_szymanski.i[23606,23619] [2022-11-20 12:43:33,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:43:33,770 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:43:33,804 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5f295f-2252-4b5c-97ed-a23735123d14/sv-benchmarks/c/seq-pthread/cs_szymanski.i[23606,23619] [2022-11-20 12:43:33,851 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:43:33,885 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:43:33,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:43:33 WrapperNode [2022-11-20 12:43:33,885 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:43:33,886 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:43:33,887 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:43:33,887 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:43:33,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:43:33" (1/1) ... [2022-11-20 12:43:33,928 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:43:33" (1/1) ... [2022-11-20 12:43:33,999 INFO L138 Inliner]: procedures = 145, calls = 289, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 399 [2022-11-20 12:43:34,000 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:43:34,001 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:43:34,001 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:43:34,001 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:43:34,012 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:43:33" (1/1) ... [2022-11-20 12:43:34,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:43:33" (1/1) ... [2022-11-20 12:43:34,036 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:43:33" (1/1) ... [2022-11-20 12:43:34,036 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:43:33" (1/1) ... [2022-11-20 12:43:34,069 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:43:33" (1/1) ... [2022-11-20 12:43:34,073 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:43:33" (1/1) ... [2022-11-20 12:43:34,088 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:43:33" (1/1) ... [2022-11-20 12:43:34,090 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:43:33" (1/1) ... [2022-11-20 12:43:34,094 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:43:34,095 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:43:34,096 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:43:34,096 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:43:34,097 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:43:33" (1/1) ... [2022-11-20 12:43:34,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:43:34,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5f295f-2252-4b5c-97ed-a23735123d14/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:43:34,139 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5f295f-2252-4b5c-97ed-a23735123d14/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:43:34,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5f295f-2252-4b5c-97ed-a23735123d14/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:43:34,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 12:43:34,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 12:43:34,193 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 12:43:34,194 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 12:43:34,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:43:34,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 12:43:34,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 12:43:34,196 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2022-11-20 12:43:34,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2022-11-20 12:43:34,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 12:43:34,196 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2022-11-20 12:43:34,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2022-11-20 12:43:34,197 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-11-20 12:43:34,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-11-20 12:43:34,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 12:43:34,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 12:43:34,197 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2022-11-20 12:43:34,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2022-11-20 12:43:34,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 12:43:34,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:43:34,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:43:34,427 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:43:34,429 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:43:37,183 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:43:37,190 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:43:37,191 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 12:43:37,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:43:37 BoogieIcfgContainer [2022-11-20 12:43:37,193 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:43:37,196 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:43:37,196 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:43:37,200 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:43:37,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:43:33" (1/3) ... [2022-11-20 12:43:37,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1de88996 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:43:37, skipping insertion in model container [2022-11-20 12:43:37,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:43:33" (2/3) ... [2022-11-20 12:43:37,202 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1de88996 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:43:37, skipping insertion in model container [2022-11-20 12:43:37,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:43:37" (3/3) ... [2022-11-20 12:43:37,203 INFO L112 eAbstractionObserver]: Analyzing ICFG cs_szymanski.i [2022-11-20 12:43:37,223 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:43:37,223 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-20 12:43:37,285 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:43:37,294 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;@4bd1699, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:43:37,295 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-20 12:43:37,300 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 77 states have (on average 1.3896103896103895) internal successors, (107), 85 states have internal predecessors, (107), 32 states have call successors, (32), 5 states have call predecessors, (32), 5 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2022-11-20 12:43:37,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 12:43:37,309 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:43:37,310 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-20 12:43:37,311 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)] === [2022-11-20 12:43:37,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:43:37,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1097791156, now seen corresponding path program 1 times [2022-11-20 12:43:37,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:43:37,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080142593] [2022-11-20 12:43:37,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:43:37,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:43:37,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:43:37,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:43:37,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:43:37,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080142593] [2022-11-20 12:43:37,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080142593] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:43:37,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:43:37,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:43:37,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683075391] [2022-11-20 12:43:37,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:43:37,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:43:37,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:43:37,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:43:37,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:43:37,967 INFO L87 Difference]: Start difference. First operand has 123 states, 77 states have (on average 1.3896103896103895) internal successors, (107), 85 states have internal predecessors, (107), 32 states have call successors, (32), 5 states have call predecessors, (32), 5 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:43:38,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:43:38,109 INFO L93 Difference]: Finished difference Result 244 states and 378 transitions. [2022-11-20 12:43:38,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:43:38,112 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-20 12:43:38,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:43:38,118 INFO L225 Difference]: With dead ends: 244 [2022-11-20 12:43:38,118 INFO L226 Difference]: Without dead ends: 18 [2022-11-20 12:43:38,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:43:38,128 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 3 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:43:38,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 472 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:43:38,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-11-20 12:43:38,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-11-20 12:43:38,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 17 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:43:38,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2022-11-20 12:43:38,155 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 6 [2022-11-20 12:43:38,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:43:38,156 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2022-11-20 12:43:38,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:43:38,156 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2022-11-20 12:43:38,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 12:43:38,157 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:43:38,157 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2022-11-20 12:43:38,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 12:43:38,157 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)] === [2022-11-20 12:43:38,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:43:38,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1856934584, now seen corresponding path program 1 times [2022-11-20 12:43:38,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:43:38,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257781689] [2022-11-20 12:43:38,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:43:38,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:43:38,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:43:38,328 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 12:43:38,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:43:38,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257781689] [2022-11-20 12:43:38,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257781689] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:43:38,330 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:43:38,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:43:38,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862871246] [2022-11-20 12:43:38,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:43:38,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:43:38,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:43:38,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:43:38,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:43:38,335 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:43:38,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:43:38,401 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions. [2022-11-20 12:43:38,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:43:38,405 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-20 12:43:38,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:43:38,407 INFO L225 Difference]: With dead ends: 18 [2022-11-20 12:43:38,407 INFO L226 Difference]: Without dead ends: 17 [2022-11-20 12:43:38,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:43:38,412 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 5 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:43:38,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 23 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:43:38,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-20 12:43:38,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-11-20 12:43:38,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 16 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:43:38,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2022-11-20 12:43:38,417 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 10 [2022-11-20 12:43:38,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:43:38,417 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2022-11-20 12:43:38,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:43:38,418 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2022-11-20 12:43:38,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 12:43:38,418 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:43:38,419 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:43:38,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 12:43:38,419 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 12:43:38,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:43:38,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1856936250, now seen corresponding path program 1 times [2022-11-20 12:43:38,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:43:38,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154275390] [2022-11-20 12:43:38,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:43:38,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:43:38,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:43:38,609 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:43:38,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:43:38,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154275390] [2022-11-20 12:43:38,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154275390] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:43:38,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [667121218] [2022-11-20 12:43:38,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:43:38,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:43:38,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5f295f-2252-4b5c-97ed-a23735123d14/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:43:38,615 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5f295f-2252-4b5c-97ed-a23735123d14/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:43:38,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5f295f-2252-4b5c-97ed-a23735123d14/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 12:43:38,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:43:38,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:43:38,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:43:38,936 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:43:38,937 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:43:38,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:43:38,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [667121218] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:43:38,988 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 12:43:38,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2022-11-20 12:43:38,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000029878] [2022-11-20 12:43:38,989 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 12:43:38,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 12:43:38,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:43:38,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 12:43:38,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-20 12:43:38,991 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:43:39,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:43:39,119 INFO L93 Difference]: Finished difference Result 38 states and 42 transitions. [2022-11-20 12:43:39,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 12:43:39,120 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-20 12:43:39,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:43:39,121 INFO L225 Difference]: With dead ends: 38 [2022-11-20 12:43:39,121 INFO L226 Difference]: Without dead ends: 23 [2022-11-20 12:43:39,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-11-20 12:43:39,123 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 17 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:43:39,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 25 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 12:43:39,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-11-20 12:43:39,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2022-11-20 12:43:39,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 19 states have (on average 1.263157894736842) internal successors, (24), 21 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:43:39,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2022-11-20 12:43:39,129 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 10 [2022-11-20 12:43:39,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:43:39,129 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2022-11-20 12:43:39,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:43:39,130 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2022-11-20 12:43:39,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 12:43:39,131 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:43:39,131 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1] [2022-11-20 12:43:39,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5f295f-2252-4b5c-97ed-a23735123d14/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 12:43:39,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5f295f-2252-4b5c-97ed-a23735123d14/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:43:39,332 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 12:43:39,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:43:39,333 INFO L85 PathProgramCache]: Analyzing trace with hash -1730397124, now seen corresponding path program 1 times [2022-11-20 12:43:39,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:43:39,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117905932] [2022-11-20 12:43:39,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:43:39,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:43:39,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:43:39,517 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:43:39,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:43:39,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117905932] [2022-11-20 12:43:39,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117905932] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:43:39,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1255390835] [2022-11-20 12:43:39,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:43:39,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:43:39,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5f295f-2252-4b5c-97ed-a23735123d14/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:43:39,520 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5f295f-2252-4b5c-97ed-a23735123d14/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:43:39,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5f295f-2252-4b5c-97ed-a23735123d14/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 12:43:39,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:43:39,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:43:39,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:43:39,803 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:43:39,803 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:43:39,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1255390835] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:43:39,804 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 12:43:39,804 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2022-11-20 12:43:39,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121797411] [2022-11-20 12:43:39,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:43:39,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:43:39,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:43:39,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:43:39,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-20 12:43:39,814 INFO L87 Difference]: Start difference. First operand 22 states and 24 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:43:39,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:43:39,864 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions. [2022-11-20 12:43:39,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:43:39,865 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-20 12:43:39,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:43:39,867 INFO L225 Difference]: With dead ends: 23 [2022-11-20 12:43:39,867 INFO L226 Difference]: Without dead ends: 22 [2022-11-20 12:43:39,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-20 12:43:39,868 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 8 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:43:39,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 18 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:43:39,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-11-20 12:43:39,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2022-11-20 12:43:39,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:43:39,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2022-11-20 12:43:39,873 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 11 [2022-11-20 12:43:39,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:43:39,873 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2022-11-20 12:43:39,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:43:39,874 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2022-11-20 12:43:39,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 12:43:39,874 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:43:39,874 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1] [2022-11-20 12:43:39,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5f295f-2252-4b5c-97ed-a23735123d14/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-20 12:43:40,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5f295f-2252-4b5c-97ed-a23735123d14/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:43:40,081 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)] === [2022-11-20 12:43:40,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:43:40,082 INFO L85 PathProgramCache]: Analyzing trace with hash 34739390, now seen corresponding path program 2 times [2022-11-20 12:43:40,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:43:40,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218653788] [2022-11-20 12:43:40,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:43:40,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:43:40,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:43:40,221 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-20 12:43:40,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:43:40,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218653788] [2022-11-20 12:43:40,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218653788] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:43:40,222 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:43:40,222 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:43:40,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708480986] [2022-11-20 12:43:40,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:43:40,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:43:40,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:43:40,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:43:40,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:43:40,225 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:43:40,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:43:40,290 INFO L93 Difference]: Finished difference Result 40 states and 42 transitions. [2022-11-20 12:43:40,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:43:40,291 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-20 12:43:40,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:43:40,292 INFO L225 Difference]: With dead ends: 40 [2022-11-20 12:43:40,292 INFO L226 Difference]: Without dead ends: 38 [2022-11-20 12:43:40,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:43:40,293 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 3 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:43:40,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 21 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 12:43:40,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-11-20 12:43:40,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2022-11-20 12:43:40,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 36 states have (on average 1.1111111111111112) internal successors, (40), 37 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:43:40,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 40 transitions. [2022-11-20 12:43:40,300 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 40 transitions. Word has length 18 [2022-11-20 12:43:40,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:43:40,301 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 40 transitions. [2022-11-20 12:43:40,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:43:40,301 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 40 transitions. [2022-11-20 12:43:40,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-20 12:43:40,302 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:43:40,303 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1] [2022-11-20 12:43:40,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 12:43:40,303 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 12:43:40,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:43:40,304 INFO L85 PathProgramCache]: Analyzing trace with hash -158534966, now seen corresponding path program 1 times [2022-11-20 12:43:40,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:43:40,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640120100] [2022-11-20 12:43:40,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:43:40,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:43:40,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:43:40,515 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-20 12:43:40,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:43:40,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640120100] [2022-11-20 12:43:40,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640120100] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:43:40,516 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:43:40,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:43:40,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565936860] [2022-11-20 12:43:40,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:43:40,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:43:40,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:43:40,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:43:40,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:43:40,518 INFO L87 Difference]: Start difference. First operand 38 states and 40 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:43:40,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:43:40,585 INFO L93 Difference]: Finished difference Result 38 states and 40 transitions. [2022-11-20 12:43:40,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:43:40,586 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2022-11-20 12:43:40,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:43:40,587 INFO L225 Difference]: With dead ends: 38 [2022-11-20 12:43:40,587 INFO L226 Difference]: Without dead ends: 37 [2022-11-20 12:43:40,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:43:40,588 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 5 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:43:40,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 12 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 12:43:40,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-11-20 12:43:40,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2022-11-20 12:43:40,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 36 states have (on average 1.0833333333333333) internal successors, (39), 36 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:43:40,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 39 transitions. [2022-11-20 12:43:40,595 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 39 transitions. Word has length 35 [2022-11-20 12:43:40,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:43:40,596 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 39 transitions. [2022-11-20 12:43:40,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:43:40,596 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2022-11-20 12:43:40,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-20 12:43:40,597 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:43:40,597 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 2, 2, 2, 2, 1, 1, 1, 1] [2022-11-20 12:43:40,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 12:43:40,598 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 12:43:40,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:43:40,598 INFO L85 PathProgramCache]: Analyzing trace with hash -619616510, now seen corresponding path program 1 times [2022-11-20 12:43:40,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:43:40,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212272661] [2022-11-20 12:43:40,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:43:40,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:43:40,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:43:40,923 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-20 12:43:40,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:43:40,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212272661] [2022-11-20 12:43:40,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212272661] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:43:40,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200990855] [2022-11-20 12:43:40,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:43:40,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:43:40,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5f295f-2252-4b5c-97ed-a23735123d14/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:43:40,926 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5f295f-2252-4b5c-97ed-a23735123d14/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:43:40,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5f295f-2252-4b5c-97ed-a23735123d14/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 12:43:41,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:43:41,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 12:43:41,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:43:41,396 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-20 12:43:41,396 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:43:41,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1200990855] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:43:41,396 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 12:43:41,396 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-20 12:43:41,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118789788] [2022-11-20 12:43:41,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:43:41,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:43:41,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:43:41,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:43:41,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-20 12:43:41,403 INFO L87 Difference]: Start difference. First operand 37 states and 39 transitions. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:43:41,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:43:41,519 INFO L93 Difference]: Finished difference Result 37 states and 39 transitions. [2022-11-20 12:43:41,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:43:41,520 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2022-11-20 12:43:41,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:43:41,520 INFO L225 Difference]: With dead ends: 37 [2022-11-20 12:43:41,520 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 12:43:41,521 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-20 12:43:41,521 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 4 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:43:41,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 34 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 12:43:41,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 12:43:41,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 12:43:41,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:43:41,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 12:43:41,523 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2022-11-20 12:43:41,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:43:41,523 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 12:43:41,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:43:41,524 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 12:43:41,524 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 12:43:41,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-20 12:43:41,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-20 12:43:41,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-20 12:43:41,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-20 12:43:41,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-20 12:43:41,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-20 12:43:41,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-20 12:43:41,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __CS_csErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-20 12:43:41,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5f295f-2252-4b5c-97ed-a23735123d14/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-20 12:43:41,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5f295f-2252-4b5c-97ed-a23735123d14/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-20 12:43:41,737 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 12:43:41,916 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 5 7) the Hoare annotation is: true [2022-11-20 12:43:41,916 INFO L899 garLoopResultBuilder]: For program point L6(line 6) no Hoare annotation was computed. [2022-11-20 12:43:41,916 INFO L899 garLoopResultBuilder]: For program point L6-2(lines 5 7) no Hoare annotation was computed. [2022-11-20 12:43:41,916 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 5 7) no Hoare annotation was computed. [2022-11-20 12:43:41,916 INFO L899 garLoopResultBuilder]: For program point __CS_pthread_joinEXIT(lines 642 663) no Hoare annotation was computed. [2022-11-20 12:43:41,916 INFO L902 garLoopResultBuilder]: At program point __CS_pthread_joinENTRY(lines 642 663) the Hoare annotation is: true [2022-11-20 12:43:41,916 INFO L899 garLoopResultBuilder]: For program point __CS_pthread_joinFINAL(lines 642 663) no Hoare annotation was computed. [2022-11-20 12:43:41,917 INFO L902 garLoopResultBuilder]: At program point L661(line 661) the Hoare annotation is: true [2022-11-20 12:43:41,917 INFO L899 garLoopResultBuilder]: For program point L661-1(line 661) no Hoare annotation was computed. [2022-11-20 12:43:41,917 INFO L899 garLoopResultBuilder]: For program point L655(lines 655 660) no Hoare annotation was computed. [2022-11-20 12:43:41,917 INFO L899 garLoopResultBuilder]: For program point L650(line 650) no Hoare annotation was computed. [2022-11-20 12:43:41,917 INFO L899 garLoopResultBuilder]: For program point L650-2(lines 650 654) no Hoare annotation was computed. [2022-11-20 12:43:41,917 INFO L899 garLoopResultBuilder]: For program point L644(lines 644 649) no Hoare annotation was computed. [2022-11-20 12:43:41,917 INFO L902 garLoopResultBuilder]: At program point L801(line 801) the Hoare annotation is: true [2022-11-20 12:43:41,917 INFO L899 garLoopResultBuilder]: For program point L801-1(lines 798 810) no Hoare annotation was computed. [2022-11-20 12:43:41,917 INFO L902 garLoopResultBuilder]: At program point L797(lines 797 810) the Hoare annotation is: true [2022-11-20 12:43:41,917 INFO L902 garLoopResultBuilder]: At program point L808(line 808) the Hoare annotation is: true [2022-11-20 12:43:41,918 INFO L899 garLoopResultBuilder]: For program point L808-1(line 808) no Hoare annotation was computed. [2022-11-20 12:43:41,918 INFO L902 garLoopResultBuilder]: At program point L806(line 806) the Hoare annotation is: true [2022-11-20 12:43:41,918 INFO L899 garLoopResultBuilder]: For program point L806-1(line 806) no Hoare annotation was computed. [2022-11-20 12:43:41,918 INFO L902 garLoopResultBuilder]: At program point L804(line 804) the Hoare annotation is: true [2022-11-20 12:43:41,918 INFO L899 garLoopResultBuilder]: For program point L804-1(line 804) no Hoare annotation was computed. [2022-11-20 12:43:41,918 INFO L902 garLoopResultBuilder]: At program point L802(line 802) the Hoare annotation is: true [2022-11-20 12:43:41,918 INFO L899 garLoopResultBuilder]: For program point L802-1(line 802) no Hoare annotation was computed. [2022-11-20 12:43:41,918 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~$Pointer$FINAL(line -1) no Hoare annotation was computed. [2022-11-20 12:43:41,918 INFO L902 garLoopResultBuilder]: At program point ##fun~$Pointer$~TO~$Pointer$ENTRY(line -1) the Hoare annotation is: true [2022-11-20 12:43:41,918 INFO L902 garLoopResultBuilder]: At program point L809(line 809) the Hoare annotation is: true [2022-11-20 12:43:41,919 INFO L899 garLoopResultBuilder]: For program point L809-1(lines 798 810) no Hoare annotation was computed. [2022-11-20 12:43:41,919 INFO L902 garLoopResultBuilder]: At program point L807(line 807) the Hoare annotation is: true [2022-11-20 12:43:41,919 INFO L899 garLoopResultBuilder]: For program point L807-1(lines 798 810) no Hoare annotation was computed. [2022-11-20 12:43:41,919 INFO L902 garLoopResultBuilder]: At program point L805(line 805) the Hoare annotation is: true [2022-11-20 12:43:41,919 INFO L899 garLoopResultBuilder]: For program point L805-1(lines 798 810) no Hoare annotation was computed. [2022-11-20 12:43:41,919 INFO L902 garLoopResultBuilder]: At program point L803(line 803) the Hoare annotation is: true [2022-11-20 12:43:41,919 INFO L899 garLoopResultBuilder]: For program point L803-1(lines 798 810) no Hoare annotation was computed. [2022-11-20 12:43:41,919 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~$Pointer$EXIT(line -1) no Hoare annotation was computed. [2022-11-20 12:43:41,919 INFO L899 garLoopResultBuilder]: For program point __CS_pthread_createFINAL(lines 664 677) no Hoare annotation was computed. [2022-11-20 12:43:41,919 INFO L899 garLoopResultBuilder]: For program point L666(lines 666 669) no Hoare annotation was computed. [2022-11-20 12:43:41,919 INFO L899 garLoopResultBuilder]: For program point __CS_pthread_createEXIT(lines 664 677) no Hoare annotation was computed. [2022-11-20 12:43:41,920 INFO L902 garLoopResultBuilder]: At program point __CS_pthread_createENTRY(lines 664 677) the Hoare annotation is: true [2022-11-20 12:43:41,920 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 819) no Hoare annotation was computed. [2022-11-20 12:43:41,920 INFO L902 garLoopResultBuilder]: At program point L861(line 861) the Hoare annotation is: true [2022-11-20 12:43:41,920 INFO L899 garLoopResultBuilder]: For program point L861-1(line 861) no Hoare annotation was computed. [2022-11-20 12:43:41,920 INFO L902 garLoopResultBuilder]: At program point L886(line 886) the Hoare annotation is: true [2022-11-20 12:43:41,920 INFO L899 garLoopResultBuilder]: For program point L886-1(line 886) no Hoare annotation was computed. [2022-11-20 12:43:41,920 INFO L902 garLoopResultBuilder]: At program point L878(line 878) the Hoare annotation is: true [2022-11-20 12:43:41,920 INFO L899 garLoopResultBuilder]: For program point L878-1(line 878) no Hoare annotation was computed. [2022-11-20 12:43:41,921 INFO L902 garLoopResultBuilder]: At program point L870(line 870) the Hoare annotation is: true [2022-11-20 12:43:41,921 INFO L899 garLoopResultBuilder]: For program point L870-1(line 870) no Hoare annotation was computed. [2022-11-20 12:43:41,921 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 823) no Hoare annotation was computed. [2022-11-20 12:43:41,921 INFO L899 garLoopResultBuilder]: For program point L862(line 862) no Hoare annotation was computed. [2022-11-20 12:43:41,921 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 12:43:41,921 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 12:43:41,921 INFO L902 garLoopResultBuilder]: At program point L887(line 887) the Hoare annotation is: true [2022-11-20 12:43:41,921 INFO L899 garLoopResultBuilder]: For program point L887-1(line 887) no Hoare annotation was computed. [2022-11-20 12:43:41,921 INFO L902 garLoopResultBuilder]: At program point L879(line 879) the Hoare annotation is: true [2022-11-20 12:43:41,922 INFO L899 garLoopResultBuilder]: For program point L879-1(line 879) no Hoare annotation was computed. [2022-11-20 12:43:41,922 INFO L902 garLoopResultBuilder]: At program point L871(line 871) the Hoare annotation is: true [2022-11-20 12:43:41,922 INFO L899 garLoopResultBuilder]: For program point L871-1(line 871) no Hoare annotation was computed. [2022-11-20 12:43:41,922 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 823) no Hoare annotation was computed. [2022-11-20 12:43:41,922 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 543) no Hoare annotation was computed. [2022-11-20 12:43:41,922 INFO L902 garLoopResultBuilder]: At program point L541-2(lines 540 545) the Hoare annotation is: true [2022-11-20 12:43:41,922 INFO L902 garLoopResultBuilder]: At program point L855(line 855) the Hoare annotation is: true [2022-11-20 12:43:41,922 INFO L899 garLoopResultBuilder]: For program point L855-1(line 855) no Hoare annotation was computed. [2022-11-20 12:43:41,922 INFO L902 garLoopResultBuilder]: At program point L880(line 880) the Hoare annotation is: true [2022-11-20 12:43:41,923 INFO L899 garLoopResultBuilder]: For program point L880-1(line 880) no Hoare annotation was computed. [2022-11-20 12:43:41,923 INFO L902 garLoopResultBuilder]: At program point L872(line 872) the Hoare annotation is: true [2022-11-20 12:43:41,923 INFO L899 garLoopResultBuilder]: For program point L872-1(line 872) no Hoare annotation was computed. [2022-11-20 12:43:41,923 INFO L899 garLoopResultBuilder]: For program point L864(lines 864 869) no Hoare annotation was computed. [2022-11-20 12:43:41,923 INFO L899 garLoopResultBuilder]: For program point L864-1(lines 864 869) no Hoare annotation was computed. [2022-11-20 12:43:41,923 INFO L899 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2022-11-20 12:43:41,923 INFO L899 garLoopResultBuilder]: For program point L856(line 856) no Hoare annotation was computed. [2022-11-20 12:43:41,923 INFO L899 garLoopResultBuilder]: For program point L823-2(lines 823 826) no Hoare annotation was computed. [2022-11-20 12:43:41,923 INFO L899 garLoopResultBuilder]: For program point L823-3(line 823) no Hoare annotation was computed. [2022-11-20 12:43:41,924 INFO L899 garLoopResultBuilder]: For program point L823-4(line 823) no Hoare annotation was computed. [2022-11-20 12:43:41,924 INFO L895 garLoopResultBuilder]: At program point L823-5(lines 823 826) the Hoare annotation is: (let ((.cse0 (<= 0 (+ |ULTIMATE.start_main_~j~2#1| 2147483648)))) (or (and (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 2) .cse0) (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse0))) [2022-11-20 12:43:41,924 INFO L902 garLoopResultBuilder]: At program point L881(line 881) the Hoare annotation is: true [2022-11-20 12:43:41,924 INFO L899 garLoopResultBuilder]: For program point L881-1(line 881) no Hoare annotation was computed. [2022-11-20 12:43:41,924 INFO L902 garLoopResultBuilder]: At program point L873(line 873) the Hoare annotation is: true [2022-11-20 12:43:41,924 INFO L899 garLoopResultBuilder]: For program point L873-1(line 873) no Hoare annotation was computed. [2022-11-20 12:43:41,925 INFO L902 garLoopResultBuilder]: At program point L882(line 882) the Hoare annotation is: true [2022-11-20 12:43:41,925 INFO L899 garLoopResultBuilder]: For program point L882-1(line 882) no Hoare annotation was computed. [2022-11-20 12:43:41,925 INFO L902 garLoopResultBuilder]: At program point L874(line 874) the Hoare annotation is: true [2022-11-20 12:43:41,925 INFO L899 garLoopResultBuilder]: For program point L874-1(line 874) no Hoare annotation was computed. [2022-11-20 12:43:41,925 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 12:43:41,925 INFO L899 garLoopResultBuilder]: For program point L858(lines 858 863) no Hoare annotation was computed. [2022-11-20 12:43:41,925 INFO L899 garLoopResultBuilder]: For program point L858-1(lines 858 863) no Hoare annotation was computed. [2022-11-20 12:43:41,925 INFO L902 garLoopResultBuilder]: At program point L883(line 883) the Hoare annotation is: true [2022-11-20 12:43:41,926 INFO L899 garLoopResultBuilder]: For program point L883-1(line 883) no Hoare annotation was computed. [2022-11-20 12:43:41,926 INFO L902 garLoopResultBuilder]: At program point L875(line 875) the Hoare annotation is: true [2022-11-20 12:43:41,926 INFO L899 garLoopResultBuilder]: For program point L875-1(line 875) no Hoare annotation was computed. [2022-11-20 12:43:41,926 INFO L902 garLoopResultBuilder]: At program point L867(line 867) the Hoare annotation is: true [2022-11-20 12:43:41,926 INFO L899 garLoopResultBuilder]: For program point L867-1(line 867) no Hoare annotation was computed. [2022-11-20 12:43:41,926 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 12:43:41,926 INFO L902 garLoopResultBuilder]: At program point L884(line 884) the Hoare annotation is: true [2022-11-20 12:43:41,926 INFO L899 garLoopResultBuilder]: For program point L884-1(line 884) no Hoare annotation was computed. [2022-11-20 12:43:41,926 INFO L902 garLoopResultBuilder]: At program point L876(line 876) the Hoare annotation is: true [2022-11-20 12:43:41,926 INFO L899 garLoopResultBuilder]: For program point L876-1(line 876) no Hoare annotation was computed. [2022-11-20 12:43:41,927 INFO L899 garLoopResultBuilder]: For program point L868(line 868) no Hoare annotation was computed. [2022-11-20 12:43:41,927 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 819) no Hoare annotation was computed. [2022-11-20 12:43:41,927 INFO L902 garLoopResultBuilder]: At program point L885(line 885) the Hoare annotation is: true [2022-11-20 12:43:41,927 INFO L899 garLoopResultBuilder]: For program point L852(lines 852 857) no Hoare annotation was computed. [2022-11-20 12:43:41,927 INFO L899 garLoopResultBuilder]: For program point L885-1(line 885) no Hoare annotation was computed. [2022-11-20 12:43:41,927 INFO L899 garLoopResultBuilder]: For program point L852-1(lines 852 857) no Hoare annotation was computed. [2022-11-20 12:43:41,927 INFO L899 garLoopResultBuilder]: For program point L819-2(lines 819 827) no Hoare annotation was computed. [2022-11-20 12:43:41,927 INFO L899 garLoopResultBuilder]: For program point L819-3(line 819) no Hoare annotation was computed. [2022-11-20 12:43:41,928 INFO L899 garLoopResultBuilder]: For program point L819-4(line 819) no Hoare annotation was computed. [2022-11-20 12:43:41,928 INFO L895 garLoopResultBuilder]: At program point L819-5(lines 819 827) the Hoare annotation is: (or (= |ULTIMATE.start_main_~i~0#1| 0) (<= 1 |ULTIMATE.start_main_~i~0#1|)) [2022-11-20 12:43:41,928 INFO L899 garLoopResultBuilder]: For program point L819-6(lines 819 827) no Hoare annotation was computed. [2022-11-20 12:43:41,928 INFO L902 garLoopResultBuilder]: At program point L877(line 877) the Hoare annotation is: true [2022-11-20 12:43:41,928 INFO L899 garLoopResultBuilder]: For program point L877-1(line 877) no Hoare annotation was computed. [2022-11-20 12:43:41,928 INFO L899 garLoopResultBuilder]: For program point L811(lines 811 889) no Hoare annotation was computed. [2022-11-20 12:43:41,928 INFO L899 garLoopResultBuilder]: For program point __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 565) no Hoare annotation was computed. [2022-11-20 12:43:41,929 INFO L899 garLoopResultBuilder]: For program point __CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 565) no Hoare annotation was computed. [2022-11-20 12:43:41,929 INFO L899 garLoopResultBuilder]: For program point __CS_csEXIT(lines 562 568) no Hoare annotation was computed. [2022-11-20 12:43:41,929 INFO L899 garLoopResultBuilder]: For program point __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 566) no Hoare annotation was computed. [2022-11-20 12:43:41,929 INFO L899 garLoopResultBuilder]: For program point __CS_csErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 566) no Hoare annotation was computed. [2022-11-20 12:43:41,929 INFO L902 garLoopResultBuilder]: At program point __CS_csENTRY(lines 562 568) the Hoare annotation is: true [2022-11-20 12:43:41,929 INFO L899 garLoopResultBuilder]: For program point __CS_csFINAL(lines 562 568) no Hoare annotation was computed. [2022-11-20 12:43:41,929 INFO L899 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2022-11-20 12:43:41,929 INFO L899 garLoopResultBuilder]: For program point L565(line 565) no Hoare annotation was computed. [2022-11-20 12:43:41,929 INFO L899 garLoopResultBuilder]: For program point L565-1(line 565) no Hoare annotation was computed. [2022-11-20 12:43:41,930 INFO L902 garLoopResultBuilder]: At program point L565-2(line 565) the Hoare annotation is: true [2022-11-20 12:43:41,930 INFO L899 garLoopResultBuilder]: For program point L565-3(line 565) no Hoare annotation was computed. [2022-11-20 12:43:41,933 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2022-11-20 12:43:41,935 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 12:43:41,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:43:41 BoogieIcfgContainer [2022-11-20 12:43:41,947 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 12:43:41,948 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:43:41,948 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:43:41,948 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:43:41,949 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:43:37" (3/4) ... [2022-11-20 12:43:41,952 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 12:43:41,959 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_join [2022-11-20 12:43:41,959 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~$Pointer$ [2022-11-20 12:43:41,959 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_create [2022-11-20 12:43:41,959 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-20 12:43:41,959 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_cs [2022-11-20 12:43:41,967 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2022-11-20 12:43:41,968 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-20 12:43:41,969 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-20 12:43:41,969 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 12:43:42,044 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5f295f-2252-4b5c-97ed-a23735123d14/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 12:43:42,044 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:43:42,045 INFO L158 Benchmark]: Toolchain (without parser) took 9004.20ms. Allocated memory was 146.8MB in the beginning and 182.5MB in the end (delta: 35.7MB). Free memory was 104.4MB in the beginning and 134.5MB in the end (delta: -30.1MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2022-11-20 12:43:42,045 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 113.2MB. Free memory is still 59.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:43:42,046 INFO L158 Benchmark]: CACSL2BoogieTranslator took 839.75ms. Allocated memory is still 146.8MB. Free memory was 104.0MB in the beginning and 77.6MB in the end (delta: 26.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-20 12:43:42,046 INFO L158 Benchmark]: Boogie Procedure Inliner took 113.58ms. Allocated memory is still 146.8MB. Free memory was 77.6MB in the beginning and 119.0MB in the end (delta: -41.4MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2022-11-20 12:43:42,046 INFO L158 Benchmark]: Boogie Preprocessor took 94.15ms. Allocated memory is still 146.8MB. Free memory was 119.0MB in the beginning and 115.5MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:43:42,046 INFO L158 Benchmark]: RCFGBuilder took 3098.22ms. Allocated memory is still 146.8MB. Free memory was 115.5MB in the beginning and 67.7MB in the end (delta: 47.9MB). Peak memory consumption was 58.9MB. Max. memory is 16.1GB. [2022-11-20 12:43:42,047 INFO L158 Benchmark]: TraceAbstraction took 4751.45ms. Allocated memory was 146.8MB in the beginning and 182.5MB in the end (delta: 35.7MB). Free memory was 67.7MB in the beginning and 142.8MB in the end (delta: -75.2MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. [2022-11-20 12:43:42,047 INFO L158 Benchmark]: Witness Printer took 96.48ms. Allocated memory is still 182.5MB. Free memory was 142.8MB in the beginning and 134.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 12:43:42,049 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 113.2MB. Free memory is still 59.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 839.75ms. Allocated memory is still 146.8MB. Free memory was 104.0MB in the beginning and 77.6MB in the end (delta: 26.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 113.58ms. Allocated memory is still 146.8MB. Free memory was 77.6MB in the beginning and 119.0MB in the end (delta: -41.4MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.15ms. Allocated memory is still 146.8MB. Free memory was 119.0MB in the beginning and 115.5MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 3098.22ms. Allocated memory is still 146.8MB. Free memory was 115.5MB in the beginning and 67.7MB in the end (delta: 47.9MB). Peak memory consumption was 58.9MB. Max. memory is 16.1GB. * TraceAbstraction took 4751.45ms. Allocated memory was 146.8MB in the beginning and 182.5MB in the end (delta: 35.7MB). Free memory was 67.7MB in the beginning and 142.8MB in the end (delta: -75.2MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. * Witness Printer took 96.48ms. Allocated memory is still 182.5MB. Free memory was 142.8MB in the beginning and 134.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. 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: 823]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 823]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 819]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 819]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 565]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 565]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 566]: 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 6 procedures, 123 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 4.7s, OverallIterations: 7, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 45 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 45 mSDsluCounter, 605 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 395 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 127 IncrementalHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 210 mSDtfsCounter, 127 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 103 GetRequests, 64 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=123occurred in iteration=0, InterpolantAutomatonStates: 35, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 162 PreInvPairs, 221 NumberOfFragments, 68 HoareAnnotationTreeSize, 162 FomulaSimplifications, 47 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 41 FomulaSimplificationsInter, 71 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 183 NumberOfCodeBlocks, 183 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 182 ConstructedInterpolants, 0 QuantifiedInterpolants, 452 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1401 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 11 InterpolantComputations, 6 PerfectInterpolantSequences, 205/259 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: 797]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: ((1 <= i && i <= 2) && 0 <= j + 2147483648) || (i == 0 && 0 <= j + 2147483648) - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: i == 0 || 1 <= i - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-20 12:43:42,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a5f295f-2252-4b5c-97ed-a23735123d14/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE