./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_1_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_1_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk --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 56b3b057d69ffeefa81ad42b23dbc12e5bea8785623db51b330d3338140f8778 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:32:34,208 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:32:34,306 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:32:34,311 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:32:34,313 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:32:34,349 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:32:34,352 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:32:34,353 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:32:34,354 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:32:34,355 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:32:34,356 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:32:34,356 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:32:34,357 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:32:34,359 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:32:34,359 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:32:34,360 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:32:34,360 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:32:34,360 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:32:34,361 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:32:34,361 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:32:34,361 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:32:34,366 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:32:34,366 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:32:34,367 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:32:34,367 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:32:34,367 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:32:34,367 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:32:34,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:32:34,368 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:32:34,368 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:32:34,369 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:32:34,381 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:32:34,381 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:32:34,382 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_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56b3b057d69ffeefa81ad42b23dbc12e5bea8785623db51b330d3338140f8778 [2024-11-09 00:32:34,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:32:34,702 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:32:34,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:32:34,706 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:32:34,707 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:32:34,708 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_1_safe.c-amalgamation.i Unable to find full path for "g++" [2024-11-09 00:32:36,708 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:32:37,142 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:32:37,143 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_1_safe.c-amalgamation.i [2024-11-09 00:32:37,183 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/data/c0b39e407/35b05476549643799af905c82d2ffe07/FLAGa3951721d [2024-11-09 00:32:37,278 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/data/c0b39e407/35b05476549643799af905c82d2ffe07 [2024-11-09 00:32:37,281 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:32:37,282 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:32:37,285 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:32:37,286 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:32:37,291 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:32:37,292 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:32:37" (1/1) ... [2024-11-09 00:32:37,293 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@694e27c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:32:37, skipping insertion in model container [2024-11-09 00:32:37,296 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:32:37" (1/1) ... [2024-11-09 00:32:37,387 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:32:38,618 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3125) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:255) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1625) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1507) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:253) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:3216) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:3061) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2295) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:144) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1237) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:215) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1167) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1150) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1652) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3539) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2522) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:642) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-09 00:32:38,624 INFO L158 Benchmark]: Toolchain (without parser) took 1340.22ms. Allocated memory is still 125.8MB. Free memory was 81.9MB in the beginning and 59.3MB in the end (delta: 22.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-09 00:32:38,624 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 125.8MB. Free memory is still 97.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:32:38,625 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1336.41ms. Allocated memory is still 125.8MB. Free memory was 81.9MB in the beginning and 59.3MB in the end (delta: 22.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-09 00:32:38,626 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 125.8MB. Free memory is still 97.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1336.41ms. Allocated memory is still 125.8MB. Free memory was 81.9MB in the beginning and 59.3MB in the end (delta: 22.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:627) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_1_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk --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 56b3b057d69ffeefa81ad42b23dbc12e5bea8785623db51b330d3338140f8778 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:32:40,989 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:32:41,103 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-09 00:32:41,149 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:32:41,150 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:32:41,151 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:32:41,151 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:32:41,154 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:32:41,154 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:32:41,155 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:32:41,155 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:32:41,155 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:32:41,156 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:32:41,156 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:32:41,156 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:32:41,157 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:32:41,157 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:32:41,157 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:32:41,160 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:32:41,161 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:32:41,161 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:32:41,165 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:32:41,166 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:32:41,166 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:32:41,166 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:32:41,167 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:32:41,167 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:32:41,167 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:32:41,167 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:32:41,168 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:32:41,168 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:32:41,168 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:32:41,168 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:32:41,169 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:32:41,169 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:32:41,169 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:32:41,169 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_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56b3b057d69ffeefa81ad42b23dbc12e5bea8785623db51b330d3338140f8778 [2024-11-09 00:32:41,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:32:41,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:32:41,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:32:41,650 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:32:41,651 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:32:41,653 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_1_safe.c-amalgamation.i Unable to find full path for "g++" [2024-11-09 00:32:43,828 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:32:44,284 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:32:44,285 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_1_safe.c-amalgamation.i [2024-11-09 00:32:44,324 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/data/a86ca1b69/22b8758d101a421bb04f853d1abda740/FLAG9136977c4 [2024-11-09 00:32:44,349 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/data/a86ca1b69/22b8758d101a421bb04f853d1abda740 [2024-11-09 00:32:44,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:32:44,354 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:32:44,357 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:32:44,357 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:32:44,363 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:32:44,364 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:32:44" (1/1) ... [2024-11-09 00:32:44,366 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1901f28b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:32:44, skipping insertion in model container [2024-11-09 00:32:44,366 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:32:44" (1/1) ... [2024-11-09 00:32:44,446 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:32:45,662 WARN L250 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_b999044d-8542-417e-b177-37be2d9e08df/sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_1_safe.c-amalgamation.i[71467,71480] [2024-11-09 00:32:46,043 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 00:32:46,050 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:32:46,074 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:32:46,158 WARN L250 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_b999044d-8542-417e-b177-37be2d9e08df/sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_1_safe.c-amalgamation.i[71467,71480] [2024-11-09 00:32:46,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:32:46,602 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:32:46,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:32:46 WrapperNode [2024-11-09 00:32:46,602 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:32:46,604 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:32:46,604 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:32:46,604 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:32:46,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:32:46" (1/1) ... [2024-11-09 00:32:46,685 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:32:46" (1/1) ... [2024-11-09 00:32:46,789 INFO L138 Inliner]: procedures = 779, calls = 784, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 1348 [2024-11-09 00:32:46,790 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:32:46,791 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:32:46,791 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:32:46,791 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:32:46,800 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:32:46" (1/1) ... [2024-11-09 00:32:46,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:32:46" (1/1) ... [2024-11-09 00:32:46,815 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:32:46" (1/1) ... [2024-11-09 00:32:46,815 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:32:46" (1/1) ... [2024-11-09 00:32:46,862 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:32:46" (1/1) ... [2024-11-09 00:32:46,871 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:32:46" (1/1) ... [2024-11-09 00:32:46,883 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:32:46" (1/1) ... [2024-11-09 00:32:46,889 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:32:46" (1/1) ... [2024-11-09 00:32:46,901 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:32:46,901 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:32:46,902 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:32:46,902 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:32:46,903 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:32:46" (1/1) ... [2024-11-09 00:32:46,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:32:46,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:32:46,938 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:32:46,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:32:46,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-09 00:32:46,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-11-09 00:32:46,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:32:46,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:32:46,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:32:46,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-09 00:32:46,976 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-09 00:32:46,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 00:32:46,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 00:32:46,977 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_idx2sub [2024-11-09 00:32:46,977 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_idx2sub [2024-11-09 00:32:46,977 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-09 00:32:46,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-09 00:32:46,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 00:32:46,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:32:46,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-09 00:32:46,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-11-09 00:32:46,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-09 00:32:46,980 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_dense [2024-11-09 00:32:46,980 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_dense [2024-11-09 00:32:46,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-09 00:32:46,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-09 00:32:46,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 00:32:46,980 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_sub2idx [2024-11-09 00:32:46,980 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_sub2idx [2024-11-09 00:32:47,337 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:32:47,340 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:33:32,045 INFO L? ?]: Removed 295 outVars from TransFormulas that were not future-live. [2024-11-09 00:33:32,045 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:33:34,210 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:33:34,210 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-09 00:33:34,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:33:34 BoogieIcfgContainer [2024-11-09 00:33:34,211 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:33:34,212 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:33:34,212 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:33:34,224 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:33:34,224 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:33:34" (1/1) ... [2024-11-09 00:33:34,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:33:34,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:33:34,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 183 states and 289 transitions. [2024-11-09 00:33:34,324 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 289 transitions. [2024-11-09 00:33:34,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-09 00:33:34,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:33:34,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:33:34,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:33:34,343 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:33:34,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:33:45,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:45,904 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:33:51,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:33:51,864 INFO L255 TraceCheckSpWp]: Trace formula consists of 2021 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 00:33:51,874 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:33:52,536 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-09 00:33:52,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-09 00:34:02,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 00:34:07,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 00:34:07,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:07,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 202 states and 338 transitions. [2024-11-09 00:34:07,120 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 338 transitions. [2024-11-09 00:34:07,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-09 00:34:07,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:07,126 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:07,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:07,130 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:07,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:34:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:17,240 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:22,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:22,170 INFO L255 TraceCheckSpWp]: Trace formula consists of 2024 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:34:22,176 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:22,286 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-09 00:34:22,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-09 00:34:22,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:22,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 202 states and 336 transitions. [2024-11-09 00:34:22,507 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 336 transitions. [2024-11-09 00:34:22,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-09 00:34:22,520 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:22,520 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:22,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:22,522 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:22,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 00:34:33,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:33,712 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:39,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:39,077 INFO L255 TraceCheckSpWp]: Trace formula consists of 2024 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:34:39,083 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:39,210 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-09 00:34:39,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-09 00:34:40,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 00:34:43,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 00:34:43,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:43,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 202 states and 334 transitions. [2024-11-09 00:34:43,245 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 334 transitions. [2024-11-09 00:34:43,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-09 00:34:43,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:43,249 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:43,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:43,253 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:43,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-09 00:34:54,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:54,069 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:59,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:59,577 INFO L255 TraceCheckSpWp]: Trace formula consists of 2023 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 00:34:59,581 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:00,413 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-09 00:35:00,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-09 00:35:01,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:01,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 210 states and 360 transitions. [2024-11-09 00:35:01,932 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 360 transitions. [2024-11-09 00:35:01,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-09 00:35:01,935 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:01,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:01,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:01,937 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:01,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-09 00:35:12,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:12,299 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:17,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:17,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 2047 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 00:35:17,617 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:18,089 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-09 00:35:18,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-09 00:35:20,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:20,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 211 states and 360 transitions. [2024-11-09 00:35:20,456 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 360 transitions. [2024-11-09 00:35:20,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-09 00:35:20,458 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:20,458 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:20,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:20,463 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:20,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-09 00:35:30,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:30,983 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:35,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:35,879 INFO L255 TraceCheckSpWp]: Trace formula consists of 2028 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:35:35,884 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:36,097 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-09 00:35:36,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-09 00:35:36,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:36,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 211 states and 358 transitions. [2024-11-09 00:35:36,448 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 358 transitions. [2024-11-09 00:35:36,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-09 00:35:36,450 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:36,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:36,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:36,456 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:36,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-09 00:35:46,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:46,612 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:50,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:51,057 INFO L255 TraceCheckSpWp]: Trace formula consists of 2049 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 00:35:51,061 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:51,552 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-09 00:35:51,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-09 00:35:52,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:52,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 212 states and 358 transitions. [2024-11-09 00:35:52,500 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 358 transitions. [2024-11-09 00:35:52,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-09 00:35:52,502 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:52,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:52,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:52,506 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:52,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-09 00:36:04,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:04,038 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:36:09,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:09,694 INFO L255 TraceCheckSpWp]: Trace formula consists of 2027 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 00:36:09,697 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:36:10,654 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-09 00:36:10,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-09 00:36:12,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:36:12,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 221 states and 388 transitions. [2024-11-09 00:36:12,840 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 388 transitions. [2024-11-09 00:36:12,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-09 00:36:12,842 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:36:12,843 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:36:12,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:36:12,845 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:36:12,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-09 00:36:24,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:24,144 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:36:29,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:29,777 INFO L255 TraceCheckSpWp]: Trace formula consists of 2039 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:36:29,782 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:36:30,195 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 00:36:30,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-09 00:36:33,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 00:36:33,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:36:33,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 221 states and 386 transitions. [2024-11-09 00:36:33,898 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 386 transitions. [2024-11-09 00:36:33,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-09 00:36:33,901 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:36:33,901 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:36:33,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:36:33,904 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:36:33,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-09 00:36:44,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:44,796 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:36:49,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:49,813 INFO L255 TraceCheckSpWp]: Trace formula consists of 2039 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 00:36:49,819 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:36:50,497 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-09 00:36:50,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-09 00:36:51,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:36:51,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 224 states and 391 transitions. [2024-11-09 00:36:51,821 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 391 transitions. [2024-11-09 00:36:51,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-09 00:36:51,824 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:36:51,824 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:36:51,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:36:51,828 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:36:51,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-09 00:37:02,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:02,963 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:37:07,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:07,221 INFO L255 TraceCheckSpWp]: Trace formula consists of 2036 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 00:37:07,225 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:37:08,426 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-09 00:37:08,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-09 00:37:11,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:37:11,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 232 states and 421 transitions. [2024-11-09 00:37:11,276 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 421 transitions. [2024-11-09 00:37:11,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-09 00:37:11,279 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:37:11,280 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:37:11,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:37:11,283 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:37:11,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-09 00:37:22,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:22,653 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:37:27,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:27,168 INFO L255 TraceCheckSpWp]: Trace formula consists of 2045 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:37:27,170 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:37:27,544 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-09 00:37:27,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-09 00:37:28,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:37:28,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 232 states and 419 transitions. [2024-11-09 00:37:28,031 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 419 transitions. [2024-11-09 00:37:28,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-09 00:37:28,034 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:37:28,035 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:37:28,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:37:28,038 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:37:28,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-09 00:37:39,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:39,805 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:37:44,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:44,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 2053 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 00:37:44,228 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:37:44,789 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-09 00:37:44,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-09 00:37:48,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 00:37:48,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:37:48,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 233 states and 419 transitions. [2024-11-09 00:37:48,827 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 419 transitions. [2024-11-09 00:37:48,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-09 00:37:48,830 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:37:48,830 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:37:48,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:37:48,834 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:37:48,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-09 00:38:00,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:00,540 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:38:05,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:05,235 INFO L255 TraceCheckSpWp]: Trace formula consists of 2036 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:38:05,238 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:38:05,651 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-11-09 00:38:05,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-09 00:38:06,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:38:06,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 233 states and 417 transitions. [2024-11-09 00:38:06,212 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 417 transitions. [2024-11-09 00:38:06,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-09 00:38:06,214 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:38:06,215 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:38:06,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:38:06,218 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:38:06,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-09 00:38:18,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:18,400 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:38:23,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:23,062 INFO L255 TraceCheckSpWp]: Trace formula consists of 2015 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 00:38:23,065 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:38:24,270 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 00:38:24,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-09 00:38:27,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:38:27,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 241 states and 436 transitions. [2024-11-09 00:38:27,012 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 436 transitions. [2024-11-09 00:38:27,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-09 00:38:27,014 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:38:27,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:38:27,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:38:27,020 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:38:27,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-09 00:38:39,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:39,010 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:38:43,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:43,174 INFO L255 TraceCheckSpWp]: Trace formula consists of 2013 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 00:38:43,177 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:38:46,387 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-11-09 00:38:46,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-09 00:38:58,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 00:39:14,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:39:14,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 268 states and 516 transitions. [2024-11-09 00:39:14,258 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 516 transitions. [2024-11-09 00:39:14,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-09 00:39:14,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:39:14,262 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:39:14,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:39:14,265 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:39:14,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-09 00:39:54,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:54,627 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:39:59,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:59,308 INFO L255 TraceCheckSpWp]: Trace formula consists of 2009 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 00:39:59,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:40:03,910 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-09 00:40:04,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-09 00:40:16,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 00:40:35,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:40:35,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 292 states and 597 transitions. [2024-11-09 00:40:35,281 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 597 transitions. [2024-11-09 00:40:35,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-09 00:40:35,284 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:40:35,284 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:40:35,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:40:35,287 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:40:35,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-09 00:40:48,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:48,259 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:40:53,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:53,070 INFO L255 TraceCheckSpWp]: Trace formula consists of 2041 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 00:40:53,072 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:40:55,534 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-09 00:40:55,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-09 00:40:58,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 00:41:07,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:41:07,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 299 states and 628 transitions. [2024-11-09 00:41:07,985 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 628 transitions. [2024-11-09 00:41:07,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-09 00:41:07,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:41:07,989 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:41:07,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:41:07,992 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:41:07,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-09 00:41:21,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:21,856 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:41:26,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:26,675 INFO L255 TraceCheckSpWp]: Trace formula consists of 2069 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 00:41:26,678 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:41:27,318 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-09 00:41:27,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-09 00:41:30,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:41:30,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 300 states and 628 transitions. [2024-11-09 00:41:30,811 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 628 transitions. [2024-11-09 00:41:30,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-09 00:41:30,814 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:41:30,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:41:30,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:41:30,817 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:41:30,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-09 00:42:14,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:14,943 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:42:19,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:19,968 INFO L255 TraceCheckSpWp]: Trace formula consists of 2027 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 00:42:19,971 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:42:22,815 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-09 00:42:22,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-09 00:42:32,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:42:32,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 307 states and 659 transitions. [2024-11-09 00:42:32,107 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 659 transitions. [2024-11-09 00:42:32,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-09 00:42:32,111 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:42:32,111 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:42:32,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:42:32,114 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:42:32,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b999044d-8542-417e-b177-37be2d9e08df/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process