./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a567e35d-69b9-4614-83d2-a4f912ae1f9f/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a567e35d-69b9-4614-83d2-a4f912ae1f9f/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a567e35d-69b9-4614-83d2-a4f912ae1f9f/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a567e35d-69b9-4614-83d2-a4f912ae1f9f/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a567e35d-69b9-4614-83d2-a4f912ae1f9f/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a567e35d-69b9-4614-83d2-a4f912ae1f9f/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e288cdaba4e30d81bab26ec9691518934a309caacc3b94b192fd690548484ff4 --- 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-dbf71c6-m [2022-10-17 16:49:37,127 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:49:37,130 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:49:37,160 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:49:37,160 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:49:37,162 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:49:37,163 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:49:37,166 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:49:37,168 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:49:37,169 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:49:37,170 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:49:37,171 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:49:37,172 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:49:37,173 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:49:37,175 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:49:37,176 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:49:37,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:49:37,178 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:49:37,181 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:49:37,183 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:49:37,185 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:49:37,186 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:49:37,188 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:49:37,189 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:49:37,194 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:49:37,194 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:49:37,195 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:49:37,196 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:49:37,196 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:49:37,198 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:49:37,198 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:49:37,199 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:49:37,200 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:49:37,201 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:49:37,202 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:49:37,202 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:49:37,203 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:49:37,204 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:49:37,204 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:49:37,205 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:49:37,206 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:49:37,207 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a567e35d-69b9-4614-83d2-a4f912ae1f9f/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:49:37,231 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:49:37,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:49:37,232 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:49:37,232 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:49:37,233 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:49:37,234 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:49:37,234 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:49:37,234 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:49:37,235 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:49:37,235 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:49:37,235 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:49:37,236 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:49:37,236 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:49:37,236 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:49:37,237 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:49:37,237 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:49:37,237 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:49:37,238 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:49:37,238 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:49:37,238 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:49:37,239 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:49:37,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:37,239 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:49:37,239 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:49:37,240 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:49:37,240 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:49:37,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:49:37,240 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:49:37,241 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_a567e35d-69b9-4614-83d2-a4f912ae1f9f/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a567e35d-69b9-4614-83d2-a4f912ae1f9f/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e288cdaba4e30d81bab26ec9691518934a309caacc3b94b192fd690548484ff4 [2022-10-17 16:49:37,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:49:37,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:49:37,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:49:37,546 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:49:37,547 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:49:37,548 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a567e35d-69b9-4614-83d2-a4f912ae1f9f/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i [2022-10-17 16:49:37,623 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a567e35d-69b9-4614-83d2-a4f912ae1f9f/bin/ukojak-92XMlrwhuB/data/50b763777/62429765bb914c618afc0b2ad617d048/FLAGa049ea5d6 [2022-10-17 16:49:38,199 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:49:38,200 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a567e35d-69b9-4614-83d2-a4f912ae1f9f/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i [2022-10-17 16:49:38,235 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a567e35d-69b9-4614-83d2-a4f912ae1f9f/bin/ukojak-92XMlrwhuB/data/50b763777/62429765bb914c618afc0b2ad617d048/FLAGa049ea5d6 [2022-10-17 16:49:38,500 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a567e35d-69b9-4614-83d2-a4f912ae1f9f/bin/ukojak-92XMlrwhuB/data/50b763777/62429765bb914c618afc0b2ad617d048 [2022-10-17 16:49:38,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:49:38,505 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:49:38,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:38,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:49:38,520 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:49:38,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:38" (1/1) ... [2022-10-17 16:49:38,522 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67dde5a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:38, skipping insertion in model container [2022-10-17 16:49:38,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:38" (1/1) ... [2022-10-17 16:49:38,530 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:49:38,594 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:49:39,013 WARN L230 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_a567e35d-69b9-4614-83d2-a4f912ae1f9f/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i[23614,23627] [2022-10-17 16:49:39,229 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:39,254 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:49:39,309 WARN L230 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_a567e35d-69b9-4614-83d2-a4f912ae1f9f/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i[23614,23627] [2022-10-17 16:49:39,384 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:39,431 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:49:39,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:39 WrapperNode [2022-10-17 16:49:39,432 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:39,433 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:39,433 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:49:39,433 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:49:39,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:39" (1/1) ... [2022-10-17 16:49:39,473 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:39" (1/1) ... [2022-10-17 16:49:39,539 INFO L138 Inliner]: procedures = 147, calls = 289, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 597 [2022-10-17 16:49:39,540 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:39,549 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:49:39,549 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:49:39,549 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:49:39,561 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:39" (1/1) ... [2022-10-17 16:49:39,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:39" (1/1) ... [2022-10-17 16:49:39,599 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:39" (1/1) ... [2022-10-17 16:49:39,612 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:39" (1/1) ... [2022-10-17 16:49:39,647 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:39" (1/1) ... [2022-10-17 16:49:39,655 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:39" (1/1) ... [2022-10-17 16:49:39,659 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:39" (1/1) ... [2022-10-17 16:49:39,664 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:39" (1/1) ... [2022-10-17 16:49:39,672 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:49:39,673 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:49:39,673 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:49:39,674 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:49:39,675 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:39" (1/1) ... [2022-10-17 16:49:39,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:39,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a567e35d-69b9-4614-83d2-a4f912ae1f9f/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:49:39,741 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a567e35d-69b9-4614-83d2-a4f912ae1f9f/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:49:39,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a567e35d-69b9-4614-83d2-a4f912ae1f9f/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:49:39,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:49:39,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:49:39,807 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:49:39,807 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:49:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:49:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:49:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:49:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2022-10-17 16:49:39,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2022-10-17 16:49:39,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:49:39,809 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2022-10-17 16:49:39,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2022-10-17 16:49:39,809 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-10-17 16:49:39,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-10-17 16:49:39,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:49:39,810 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2022-10-17 16:49:39,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2022-10-17 16:49:39,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:49:39,810 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2022-10-17 16:49:39,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2022-10-17 16:49:39,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:49:39,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:49:40,059 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:49:40,061 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:49:40,677 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume !(0 != ~__CS_ret~0 % 256); [2022-10-17 16:49:40,677 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume 0 != ~__CS_ret~0 % 256;reader_#res#1.base, reader_#res#1.offset := 0, 0; [2022-10-17 16:49:51,247 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:49:51,421 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:49:51,421 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:49:51,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:51 BoogieIcfgContainer [2022-10-17 16:49:51,424 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:49:51,425 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:49:51,425 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:49:51,435 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:49:51,436 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:51" (1/1) ... [2022-10-17 16:49:51,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:49:51,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:51,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 145 states and 221 transitions. [2022-10-17 16:49:51,549 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 221 transitions. [2022-10-17 16:49:51,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-17 16:49:51,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:51,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:52,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:52,917 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2022-10-17 16:50:02,999 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 [] [2022-10-17 16:50:03,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:03,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 147 states and 223 transitions. [2022-10-17 16:50:03,111 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 223 transitions. [2022-10-17 16:50:03,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-17 16:50:03,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:03,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:03,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:03,907 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2022-10-17 16:50:03,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:04,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 149 states and 226 transitions. [2022-10-17 16:50:04,002 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 226 transitions. [2022-10-17 16:50:04,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-17 16:50:04,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:04,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:04,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:04,957 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2022-10-17 16:50:05,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:05,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 151 states and 229 transitions. [2022-10-17 16:50:05,072 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 229 transitions. [2022-10-17 16:50:05,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-17 16:50:05,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:05,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:05,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:05,794 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2022-10-17 16:50:06,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:06,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 156 states and 241 transitions. [2022-10-17 16:50:06,260 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 241 transitions. [2022-10-17 16:50:06,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-17 16:50:06,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:06,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:06,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:07,236 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2022-10-17 16:50:07,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:07,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 157 states and 242 transitions. [2022-10-17 16:50:07,868 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 242 transitions. [2022-10-17 16:50:07,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-17 16:50:07,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:07,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:08,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:08,636 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2022-10-17 16:50:08,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:08,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 158 states and 244 transitions. [2022-10-17 16:50:08,653 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 244 transitions. [2022-10-17 16:50:08,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-17 16:50:08,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:08,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:08,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:09,441 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2022-10-17 16:50:09,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:09,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 159 states and 246 transitions. [2022-10-17 16:50:09,452 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 246 transitions. [2022-10-17 16:50:09,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-17 16:50:09,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:09,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:09,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:10,143 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2022-10-17 16:50:10,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:10,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 160 states and 248 transitions. [2022-10-17 16:50:10,161 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 248 transitions. [2022-10-17 16:50:10,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-17 16:50:10,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:10,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:10,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:10,840 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2022-10-17 16:50:10,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:10,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 161 states and 250 transitions. [2022-10-17 16:50:10,852 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 250 transitions. [2022-10-17 16:50:10,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-17 16:50:10,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:10,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:11,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:11,509 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2022-10-17 16:50:11,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:11,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 162 states and 252 transitions. [2022-10-17 16:50:11,527 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 252 transitions. [2022-10-17 16:50:11,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-17 16:50:11,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:11,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:11,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:12,260 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2022-10-17 16:50:12,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:12,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 163 states and 254 transitions. [2022-10-17 16:50:12,278 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 254 transitions. [2022-10-17 16:50:12,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-17 16:50:12,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:12,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:12,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:13,073 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2022-10-17 16:50:13,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:13,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 164 states and 256 transitions. [2022-10-17 16:50:13,085 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 256 transitions. [2022-10-17 16:50:13,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-17 16:50:13,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:13,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:13,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:13,653 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2022-10-17 16:50:13,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:13,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 165 states and 258 transitions. [2022-10-17 16:50:13,667 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 258 transitions. [2022-10-17 16:50:13,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-17 16:50:13,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:13,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:13,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:14,391 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2022-10-17 16:50:14,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:14,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 166 states and 260 transitions. [2022-10-17 16:50:14,403 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 260 transitions. [2022-10-17 16:50:14,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-17 16:50:14,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:14,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat