./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f650398-1dae-4c71-bc1e-b69f2bc4567c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f650398-1dae-4c71-bc1e-b69f2bc4567c/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f650398-1dae-4c71-bc1e-b69f2bc4567c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f650398-1dae-4c71-bc1e-b69f2bc4567c/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f650398-1dae-4c71-bc1e-b69f2bc4567c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f650398-1dae-4c71-bc1e-b69f2bc4567c/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --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 1d2a98d270a821b4275b6b35f502458543f3a892fcdda158c69925a18d34f6cf --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:41:21,527 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:41:21,625 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f650398-1dae-4c71-bc1e-b69f2bc4567c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:41:21,630 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:41:21,630 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:41:21,653 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:41:21,654 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:41:21,655 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:41:21,655 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:41:21,656 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:41:21,657 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:41:21,657 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:41:21,658 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:41:21,658 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:41:21,659 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:41:21,659 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:41:21,660 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:41:21,660 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:41:21,661 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:41:21,661 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:41:21,662 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:41:21,663 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:41:21,663 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:41:21,664 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:41:21,664 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:41:21,664 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:41:21,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:41:21,665 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:41:21,666 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:41:21,666 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:41:21,667 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:41:21,667 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:41:21,668 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:41:21,668 INFO L153 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_2f650398-1dae-4c71-bc1e-b69f2bc4567c/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f650398-1dae-4c71-bc1e-b69f2bc4567c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d2a98d270a821b4275b6b35f502458543f3a892fcdda158c69925a18d34f6cf [2023-11-19 02:41:21,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:41:21,982 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:41:21,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:41:21,986 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:41:21,987 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:41:21,988 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f650398-1dae-4c71-bc1e-b69f2bc4567c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-2.i [2023-11-19 02:41:24,980 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:41:25,393 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:41:25,393 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f650398-1dae-4c71-bc1e-b69f2bc4567c/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-2.i [2023-11-19 02:41:25,436 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f650398-1dae-4c71-bc1e-b69f2bc4567c/bin/ukojak-verify-G8NBE6pJGL/data/b1ac00008/eab5383923f74292a36ed665946a9dcd/FLAG1a8597e38 [2023-11-19 02:41:25,456 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f650398-1dae-4c71-bc1e-b69f2bc4567c/bin/ukojak-verify-G8NBE6pJGL/data/b1ac00008/eab5383923f74292a36ed665946a9dcd [2023-11-19 02:41:25,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:41:25,464 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:41:25,468 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:41:25,468 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:41:25,473 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:41:25,476 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:41:25" (1/1) ... [2023-11-19 02:41:25,478 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3deb49f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:25, skipping insertion in model container [2023-11-19 02:41:25,478 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:41:25" (1/1) ... [2023-11-19 02:41:25,565 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:41:26,266 WARN L240 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_2f650398-1dae-4c71-bc1e-b69f2bc4567c/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-2.i[44118,44131] [2023-11-19 02:41:26,281 WARN L240 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_2f650398-1dae-4c71-bc1e-b69f2bc4567c/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-2.i[44660,44673] [2023-11-19 02:41:26,442 WARN L240 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_2f650398-1dae-4c71-bc1e-b69f2bc4567c/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-2.i[56247,56260] [2023-11-19 02:41:26,443 WARN L240 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_2f650398-1dae-4c71-bc1e-b69f2bc4567c/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-2.i[56368,56381] [2023-11-19 02:41:26,459 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:41:26,489 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:41:26,532 WARN L240 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_2f650398-1dae-4c71-bc1e-b69f2bc4567c/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-2.i[44118,44131] [2023-11-19 02:41:26,535 WARN L240 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_2f650398-1dae-4c71-bc1e-b69f2bc4567c/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-2.i[44660,44673] [2023-11-19 02:41:26,623 WARN L240 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_2f650398-1dae-4c71-bc1e-b69f2bc4567c/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-2.i[56247,56260] [2023-11-19 02:41:26,634 WARN L240 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_2f650398-1dae-4c71-bc1e-b69f2bc4567c/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test6-2.i[56368,56381] [2023-11-19 02:41:26,645 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:41:26,794 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:41:26,802 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:41:26,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:26 WrapperNode [2023-11-19 02:41:26,803 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:41:26,805 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:41:26,805 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:41:26,805 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:41:26,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:26" (1/1) ... [2023-11-19 02:41:26,880 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:26" (1/1) ... [2023-11-19 02:41:26,995 INFO L138 Inliner]: procedures = 282, calls = 347, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1542 [2023-11-19 02:41:26,996 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:41:26,996 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:41:26,996 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:41:26,997 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:41:27,007 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:26" (1/1) ... [2023-11-19 02:41:27,007 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:26" (1/1) ... [2023-11-19 02:41:27,021 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:26" (1/1) ... [2023-11-19 02:41:27,021 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:26" (1/1) ... [2023-11-19 02:41:27,122 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:26" (1/1) ... [2023-11-19 02:41:27,158 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:26" (1/1) ... [2023-11-19 02:41:27,171 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:26" (1/1) ... [2023-11-19 02:41:27,180 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:26" (1/1) ... [2023-11-19 02:41:27,206 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:41:27,207 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:41:27,207 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:41:27,208 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:41:27,209 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:41:26" (1/1) ... [2023-11-19 02:41:27,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:41:27,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f650398-1dae-4c71-bc1e-b69f2bc4567c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:41:27,251 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f650398-1dae-4c71-bc1e-b69f2bc4567c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:41:27,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f650398-1dae-4c71-bc1e-b69f2bc4567c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:41:27,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:41:27,298 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 02:41:27,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 02:41:27,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:41:27,298 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2023-11-19 02:41:27,299 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2023-11-19 02:41:27,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:41:27,299 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:41:27,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:41:27,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:41:27,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:41:27,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:41:27,301 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2023-11-19 02:41:27,301 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2023-11-19 02:41:27,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 02:41:27,302 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2023-11-19 02:41:27,302 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2023-11-19 02:41:27,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:41:27,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:41:27,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:41:27,604 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:41:27,607 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:41:29,461 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:41:31,229 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:41:31,230 INFO L302 CfgBuilder]: Removed 72 assume(true) statements. [2023-11-19 02:41:31,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:41:31 BoogieIcfgContainer [2023-11-19 02:41:31,243 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:41:31,244 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:41:31,244 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:41:31,255 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:41:31,256 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:41:31" (1/1) ... [2023-11-19 02:41:31,266 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:41:31,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:31,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 169 states and 274 transitions. [2023-11-19 02:41:31,349 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 274 transitions. [2023-11-19 02:41:31,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:41:31,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:31,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:31,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:31,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:41:31,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:31,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 169 states and 271 transitions. [2023-11-19 02:41:31,643 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 271 transitions. [2023-11-19 02:41:31,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:41:31,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:31,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:31,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:31,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:41:31,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:31,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 171 states and 274 transitions. [2023-11-19 02:41:31,919 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 274 transitions. [2023-11-19 02:41:31,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:41:31,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:31,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:32,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:32,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:41:32,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:32,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:41:32,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:32,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 171 states and 265 transitions. [2023-11-19 02:41:32,154 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 265 transitions. [2023-11-19 02:41:32,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:41:32,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:32,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:32,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:32,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:41:32,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:32,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:41:32,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:32,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 171 states and 263 transitions. [2023-11-19 02:41:32,308 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 263 transitions. [2023-11-19 02:41:32,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:41:32,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:32,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:32,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:32,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:41:32,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:32,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:41:33,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:41:33,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:33,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 171 states and 261 transitions. [2023-11-19 02:41:33,701 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 261 transitions. [2023-11-19 02:41:33,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:41:33,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:33,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:34,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:34,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:41:34,533 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:34,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:41:34,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:34,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 176 states and 272 transitions. [2023-11-19 02:41:34,768 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 272 transitions. [2023-11-19 02:41:34,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:41:34,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:34,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:34,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:35,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:41:35,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:35,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:41:35,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:41:35,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 176 states and 262 transitions. [2023-11-19 02:41:35,105 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 262 transitions. [2023-11-19 02:41:35,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:41:35,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:41:35,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:41:35,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:41:35,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:41:35,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:41:35,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:41:45,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:41:55,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:42:05,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:42:13,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.47s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:42:13,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:42:13,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 189 states and 278 transitions. [2023-11-19 02:42:13,360 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 278 transitions. [2023-11-19 02:42:13,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 02:42:13,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:42:13,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:42:13,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:42:13,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:42:13,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:42:13,813 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:42:16,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:42:17,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:42:17,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 215 states and 325 transitions. [2023-11-19 02:42:17,064 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 325 transitions. [2023-11-19 02:42:17,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:42:17,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:42:17,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:42:17,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:42:17,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:42:17,344 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:42:17,347 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:42:27,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:42:27,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:42:27,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 213 states and 318 transitions. [2023-11-19 02:42:27,378 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 318 transitions. [2023-11-19 02:42:27,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 02:42:27,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:42:27,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:42:27,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:42:27,599 INFO L262 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:42:27,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:42:27,642 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.