./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 2329fc70 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_1b6d78e1-ff4d-48ee-975c-fd97d4c79b78/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6d78e1-ff4d-48ee-975c-fd97d4c79b78/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6d78e1-ff4d-48ee-975c-fd97d4c79b78/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6d78e1-ff4d-48ee-975c-fd97d4c79b78/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_szymanski.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6d78e1-ff4d-48ee-975c-fd97d4c79b78/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6d78e1-ff4d-48ee-975c-fd97d4c79b78/bin/ukojak-rkRKPMF4O4 --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 Kojak --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-2329fc7 [2022-12-15 03:23:09,165 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 03:23:09,166 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 03:23:09,187 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 03:23:09,187 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 03:23:09,188 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 03:23:09,189 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 03:23:09,191 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 03:23:09,193 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 03:23:09,194 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 03:23:09,195 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 03:23:09,196 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 03:23:09,196 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 03:23:09,197 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 03:23:09,198 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 03:23:09,200 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 03:23:09,201 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 03:23:09,202 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 03:23:09,203 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 03:23:09,205 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 03:23:09,207 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 03:23:09,208 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 03:23:09,209 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 03:23:09,210 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 03:23:09,213 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 03:23:09,214 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 03:23:09,214 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 03:23:09,215 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 03:23:09,215 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 03:23:09,216 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 03:23:09,217 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 03:23:09,217 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 03:23:09,218 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 03:23:09,219 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 03:23:09,220 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 03:23:09,220 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 03:23:09,220 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 03:23:09,221 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 03:23:09,221 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 03:23:09,221 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 03:23:09,222 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 03:23:09,223 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6d78e1-ff4d-48ee-975c-fd97d4c79b78/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-15 03:23:09,243 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 03:23:09,244 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 03:23:09,244 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 03:23:09,245 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 03:23:09,245 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 03:23:09,245 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 03:23:09,246 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 03:23:09,246 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 03:23:09,246 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 03:23:09,246 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 03:23:09,246 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 03:23:09,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 03:23:09,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 03:23:09,247 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 03:23:09,247 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 03:23:09,247 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 03:23:09,247 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 03:23:09,247 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 03:23:09,248 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 03:23:09,248 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 03:23:09,248 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 03:23:09,248 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 03:23:09,248 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 03:23:09,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:23:09,249 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 03:23:09,249 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 03:23:09,249 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 03:23:09,249 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 03:23:09,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 03:23:09,249 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 03:23:09,250 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_1b6d78e1-ff4d-48ee-975c-fd97d4c79b78/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6d78e1-ff4d-48ee-975c-fd97d4c79b78/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c5cb1d1ec86f1df708ae47d652aad74925d4eb7bf3fc3a2c37d76896a5071e8 [2022-12-15 03:23:09,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 03:23:09,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 03:23:09,455 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 03:23:09,457 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 03:23:09,457 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 03:23:09,458 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6d78e1-ff4d-48ee-975c-fd97d4c79b78/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/seq-pthread/cs_szymanski.i [2022-12-15 03:23:12,029 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 03:23:12,242 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 03:23:12,243 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6d78e1-ff4d-48ee-975c-fd97d4c79b78/sv-benchmarks/c/seq-pthread/cs_szymanski.i [2022-12-15 03:23:12,255 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6d78e1-ff4d-48ee-975c-fd97d4c79b78/bin/ukojak-rkRKPMF4O4/data/bd97ddb39/e499733d61d34815abc3179298908977/FLAG0d762ae34 [2022-12-15 03:23:12,269 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6d78e1-ff4d-48ee-975c-fd97d4c79b78/bin/ukojak-rkRKPMF4O4/data/bd97ddb39/e499733d61d34815abc3179298908977 [2022-12-15 03:23:12,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 03:23:12,273 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 03:23:12,274 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 03:23:12,274 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 03:23:12,277 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 03:23:12,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:23:12" (1/1) ... [2022-12-15 03:23:12,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bc4e14c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:23:12, skipping insertion in model container [2022-12-15 03:23:12,279 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:23:12" (1/1) ... [2022-12-15 03:23:12,287 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 03:23:12,323 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 03:23:12,590 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_1b6d78e1-ff4d-48ee-975c-fd97d4c79b78/sv-benchmarks/c/seq-pthread/cs_szymanski.i[23606,23619] [2022-12-15 03:23:12,673 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:23:12,686 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 03:23:12,710 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_1b6d78e1-ff4d-48ee-975c-fd97d4c79b78/sv-benchmarks/c/seq-pthread/cs_szymanski.i[23606,23619] [2022-12-15 03:23:12,750 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:23:12,782 INFO L208 MainTranslator]: Completed translation [2022-12-15 03:23:12,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:23:12 WrapperNode [2022-12-15 03:23:12,783 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 03:23:12,784 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 03:23:12,784 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 03:23:12,784 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 03:23:12,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:23:12" (1/1) ... [2022-12-15 03:23:12,811 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:23:12" (1/1) ... [2022-12-15 03:23:12,849 INFO L138 Inliner]: procedures = 145, calls = 289, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 399 [2022-12-15 03:23:12,850 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 03:23:12,850 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 03:23:12,850 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 03:23:12,850 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 03:23:12,858 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:23:12" (1/1) ... [2022-12-15 03:23:12,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:23:12" (1/1) ... [2022-12-15 03:23:12,864 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:23:12" (1/1) ... [2022-12-15 03:23:12,870 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:23:12" (1/1) ... [2022-12-15 03:23:12,880 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:23:12" (1/1) ... [2022-12-15 03:23:12,883 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:23:12" (1/1) ... [2022-12-15 03:23:12,884 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:23:12" (1/1) ... [2022-12-15 03:23:12,886 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:23:12" (1/1) ... [2022-12-15 03:23:12,888 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 03:23:12,889 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 03:23:12,889 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 03:23:12,889 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 03:23:12,890 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:23:12" (1/1) ... [2022-12-15 03:23:12,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:23:12,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6d78e1-ff4d-48ee-975c-fd97d4c79b78/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 03:23:12,914 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6d78e1-ff4d-48ee-975c-fd97d4c79b78/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 03:23:12,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6d78e1-ff4d-48ee-975c-fd97d4c79b78/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 03:23:12,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 03:23:12,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 03:23:12,951 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-15 03:23:12,951 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-15 03:23:12,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 03:23:12,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 03:23:12,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-15 03:23:12,952 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2022-12-15 03:23:12,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2022-12-15 03:23:12,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-15 03:23:12,952 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2022-12-15 03:23:12,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2022-12-15 03:23:12,953 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-12-15 03:23:12,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-12-15 03:23:12,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 03:23:12,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-15 03:23:12,953 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2022-12-15 03:23:12,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2022-12-15 03:23:12,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 03:23:12,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 03:23:12,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 03:23:13,080 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 03:23:13,082 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 03:23:23,610 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 03:23:23,698 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 03:23:23,698 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-15 03:23:23,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:23:23 BoogieIcfgContainer [2022-12-15 03:23:23,701 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 03:23:23,702 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 03:23:23,702 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 03:23:23,710 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 03:23:23,711 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:23:23" (1/1) ... [2022-12-15 03:23:23,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 03:23:23,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:23:23,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 104 states and 142 transitions. [2022-12-15 03:23:23,774 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 142 transitions. [2022-12-15 03:23:23,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 03:23:23,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:23:23,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:23:23,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:23:24,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:23:27,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-15 03:23:27,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:23:27,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 105 states and 144 transitions. [2022-12-15 03:23:27,504 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 144 transitions. [2022-12-15 03:23:27,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 03:23:27,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:23:27,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:23:27,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:23:27,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:23:27,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:23:27,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 106 states and 145 transitions. [2022-12-15 03:23:27,668 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 145 transitions. [2022-12-15 03:23:27,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 03:23:27,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:23:27,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:23:27,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:23:27,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:23:27,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:23:27,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 107 states and 146 transitions. [2022-12-15 03:23:27,780 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 146 transitions. [2022-12-15 03:23:27,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 03:23:27,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:23:27,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:23:28,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:23:28,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:23:38,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-15 03:23:38,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:23:38,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 108 states and 148 transitions. [2022-12-15 03:23:38,808 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 148 transitions. [2022-12-15 03:23:38,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 03:23:38,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:23:38,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:23:38,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:23:38,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:23:38,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:23:38,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 109 states and 150 transitions. [2022-12-15 03:23:38,970 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 150 transitions. [2022-12-15 03:23:38,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 03:23:38,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:23:38,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:23:38,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:23:39,102 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:23:39,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:23:39,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 111 states and 152 transitions. [2022-12-15 03:23:39,275 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 152 transitions. [2022-12-15 03:23:39,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 03:23:39,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:23:39,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:23:39,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:23:39,351 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 03:23:39,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:23:39,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 110 states and 151 transitions. [2022-12-15 03:23:39,450 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 151 transitions. [2022-12-15 03:23:39,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 03:23:39,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:23:39,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:23:39,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:23:39,563 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-15 03:23:40,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:23:40,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 118 states and 163 transitions. [2022-12-15 03:23:40,175 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 163 transitions. [2022-12-15 03:23:40,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 03:23:40,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:23:40,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:23:40,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:23:40,339 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:23:40,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:23:40,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 119 states and 163 transitions. [2022-12-15 03:23:40,460 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 163 transitions. [2022-12-15 03:23:40,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 03:23:40,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:23:40,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:23:40,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:23:40,523 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-15 03:23:40,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:23:40,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 120 states and 164 transitions. [2022-12-15 03:23:40,535 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 164 transitions. [2022-12-15 03:23:40,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 03:23:40,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:23:40,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:23:40,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:23:41,556 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-15 03:23:41,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:23:41,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 121 states and 169 transitions. [2022-12-15 03:23:41,652 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 169 transitions. [2022-12-15 03:23:41,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 03:23:41,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:23:41,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:23:41,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:23:42,844 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-15 03:23:42,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:23:42,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 121 states and 170 transitions. [2022-12-15 03:23:42,852 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 170 transitions. [2022-12-15 03:23:42,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 03:23:42,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:23:42,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:23:42,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:23:43,046 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 03:23:43,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:23:43,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 124 states and 172 transitions. [2022-12-15 03:23:43,276 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 172 transitions. [2022-12-15 03:23:43,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 03:23:43,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:23:43,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:23:43,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:23:43,448 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 29 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-15 03:23:43,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:23:43,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 120 states and 164 transitions. [2022-12-15 03:23:43,551 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 164 transitions. [2022-12-15 03:23:43,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 03:23:43,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:23:43,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:23:43,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:23:43,725 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 25 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-15 03:23:43,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:23:43,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 123 states and 166 transitions. [2022-12-15 03:23:43,997 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 166 transitions. [2022-12-15 03:23:43,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-15 03:23:43,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:23:43,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:23:44,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:23:44,959 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-15 03:23:44,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:23:44,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 123 states and 167 transitions. [2022-12-15 03:23:44,965 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 167 transitions. [2022-12-15 03:23:44,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-15 03:23:44,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:23:44,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:23:45,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:23:45,172 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-15 03:23:46,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:23:46,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 135 states and 184 transitions. [2022-12-15 03:23:46,270 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 184 transitions. [2022-12-15 03:23:46,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-15 03:23:46,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:23:46,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:23:46,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:23:46,449 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-12-15 03:23:47,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:23:47,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 134 states and 183 transitions. [2022-12-15 03:23:47,998 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 183 transitions. [2022-12-15 03:23:47,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-15 03:23:47,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:23:47,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:23:48,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:23:48,255 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 36 proven. 73 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-12-15 03:23:48,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:23:48,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 121 states and 163 transitions. [2022-12-15 03:23:48,420 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 163 transitions. [2022-12-15 03:23:48,421 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 03:23:48,422 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 20 iterations. [2022-12-15 03:23:48,428 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-12-15 03:23:48,621 INFO L560 CodeCheckObserver]: Invariant with dag size 15 [2022-12-15 03:23:48,628 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2022-12-15 03:23:48,628 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 03:23:48,629 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 03:23:48,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 03:23:48 ImpRootNode [2022-12-15 03:23:48,629 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 03:23:48,630 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 03:23:48,630 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 03:23:48,630 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 03:23:48,630 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:23:23" (3/4) ... [2022-12-15 03:23:48,632 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 03:23:48,637 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_join [2022-12-15 03:23:48,637 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~$Pointer$ [2022-12-15 03:23:48,637 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_create [2022-12-15 03:23:48,637 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-12-15 03:23:48,637 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_cs [2022-12-15 03:23:48,645 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2022-12-15 03:23:48,645 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-12-15 03:23:48,646 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-12-15 03:23:48,647 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-15 03:23:48,647 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 03:23:48,718 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6d78e1-ff4d-48ee-975c-fd97d4c79b78/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 03:23:48,719 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 03:23:48,719 INFO L158 Benchmark]: Toolchain (without parser) took 36446.41ms. Allocated memory was 134.2MB in the beginning and 729.8MB in the end (delta: 595.6MB). Free memory was 91.7MB in the beginning and 363.8MB in the end (delta: -272.1MB). Peak memory consumption was 326.6MB. Max. memory is 16.1GB. [2022-12-15 03:23:48,719 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 134.2MB. Free memory is still 76.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:23:48,720 INFO L158 Benchmark]: CACSL2BoogieTranslator took 508.88ms. Allocated memory is still 134.2MB. Free memory was 91.2MB in the beginning and 65.2MB in the end (delta: 26.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-12-15 03:23:48,720 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.00ms. Allocated memory was 134.2MB in the beginning and 165.7MB in the end (delta: 31.5MB). Free memory was 64.7MB in the beginning and 134.7MB in the end (delta: -69.9MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2022-12-15 03:23:48,720 INFO L158 Benchmark]: Boogie Preprocessor took 38.29ms. Allocated memory is still 165.7MB. Free memory was 134.7MB in the beginning and 132.6MB in the end (delta: 2.0MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2022-12-15 03:23:48,720 INFO L158 Benchmark]: RCFGBuilder took 10812.28ms. Allocated memory is still 165.7MB. Free memory was 132.6MB in the beginning and 81.7MB in the end (delta: 50.9MB). Peak memory consumption was 71.9MB. Max. memory is 16.1GB. [2022-12-15 03:23:48,721 INFO L158 Benchmark]: CodeCheck took 24927.11ms. Allocated memory was 165.7MB in the beginning and 729.8MB in the end (delta: 564.1MB). Free memory was 81.7MB in the beginning and 372.1MB in the end (delta: -290.5MB). Peak memory consumption was 273.6MB. Max. memory is 16.1GB. [2022-12-15 03:23:48,721 INFO L158 Benchmark]: Witness Printer took 89.10ms. Allocated memory is still 729.8MB. Free memory was 372.1MB in the beginning and 363.8MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-15 03:23:48,722 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 6 procedures, 104 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 24.7s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 16 mSolverCounterUnknown, 1380 SdHoareTripleChecker+Valid, 228.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 374 mSDsluCounter, 653 SdHoareTripleChecker+Invalid, 227.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 669 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2011 IncrementalHoareTripleChecker+Invalid, 2696 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 669 mSolverCounterUnsat, 653 mSDtfsCounter, 2011 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2398 GetRequests, 2217 SyntacticMatches, 25 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10881 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 301 NumberOfCodeBlocks, 301 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 282 ConstructedInterpolants, 0 QuantifiedInterpolants, 655 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 8 PerfectInterpolantSequences, 298/433 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - 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 - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: (((i == 0 && j == 0) || (i == 0 && 1 <= j)) || ((1 <= i && i <= 2) && j == 0)) || ((1 <= i && i <= 2) && 1 <= j) - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: i == 0 || 1 <= i - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 134.2MB. Free memory is still 76.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 508.88ms. Allocated memory is still 134.2MB. Free memory was 91.2MB in the beginning and 65.2MB in the end (delta: 26.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.00ms. Allocated memory was 134.2MB in the beginning and 165.7MB in the end (delta: 31.5MB). Free memory was 64.7MB in the beginning and 134.7MB in the end (delta: -69.9MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.29ms. Allocated memory is still 165.7MB. Free memory was 134.7MB in the beginning and 132.6MB in the end (delta: 2.0MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * RCFGBuilder took 10812.28ms. Allocated memory is still 165.7MB. Free memory was 132.6MB in the beginning and 81.7MB in the end (delta: 50.9MB). Peak memory consumption was 71.9MB. Max. memory is 16.1GB. * CodeCheck took 24927.11ms. Allocated memory was 165.7MB in the beginning and 729.8MB in the end (delta: 564.1MB). Free memory was 81.7MB in the beginning and 372.1MB in the end (delta: -290.5MB). Peak memory consumption was 273.6MB. Max. memory is 16.1GB. * Witness Printer took 89.10ms. Allocated memory is still 729.8MB. Free memory was 372.1MB in the beginning and 363.8MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 03:23:48,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6d78e1-ff4d-48ee-975c-fd97d4c79b78/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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