./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/poly_256_thresh_2_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_256_thresh_2_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9 --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 cda1efa412e0663af96ef79b4e9a252864511b1651836b3196eb6d1863ef9910 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:19:28,518 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:19:28,582 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 22:19:28,586 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:19:28,586 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:19:28,616 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:19:28,617 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:19:28,618 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:19:28,618 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:19:28,619 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:19:28,620 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:19:28,620 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:19:28,621 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:19:28,621 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:19:28,622 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:19:28,622 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:19:28,623 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:19:28,623 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:19:28,624 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:19:28,624 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:19:28,625 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:19:28,627 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:19:28,627 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:19:28,628 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:19:28,628 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:19:28,628 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:19:28,629 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:19:28,629 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:19:28,629 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:19:28,630 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:19:28,630 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:19:28,630 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:19:28,631 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:19:28,631 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_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cda1efa412e0663af96ef79b4e9a252864511b1651836b3196eb6d1863ef9910 [2023-12-02 22:19:28,861 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:19:28,883 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:19:28,886 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:19:28,887 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:19:28,887 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:19:28,889 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/poly_256_thresh_2_safe.c-amalgamation.i [2023-12-02 22:19:31,867 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:19:32,234 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:19:32,234 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/sv-benchmarks/c/neural-networks/poly_256_thresh_2_safe.c-amalgamation.i [2023-12-02 22:19:32,264 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/data/517067548/78d76377fd5243a48c5e76e7cc813f2e/FLAG1f2341fbf [2023-12-02 22:19:32,278 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/data/517067548/78d76377fd5243a48c5e76e7cc813f2e [2023-12-02 22:19:32,281 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:19:32,282 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:19:32,284 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:19:32,284 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:19:32,288 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:19:32,289 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:19:32" (1/1) ... [2023-12-02 22:19:32,291 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c4845f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:19:32, skipping insertion in model container [2023-12-02 22:19:32,291 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:19:32" (1/1) ... [2023-12-02 22:19:32,366 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:19:33,253 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:610) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:245) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1486) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:269) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1414) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:251) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:3086) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:2927) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:142) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1156) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:213) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:386) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1512) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:157) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3421) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2441) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:147) 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) [2023-12-02 22:19:33,257 INFO L158 Benchmark]: Toolchain (without parser) took 974.28ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 80.0MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-02 22:19:33,258 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 142.6MB. Free memory was 109.6MB in the beginning and 109.5MB in the end (delta: 132.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:19:33,259 INFO L158 Benchmark]: CACSL2BoogieTranslator took 971.96ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 80.0MB in the end (delta: 20.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-02 22:19:33,260 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 142.6MB. Free memory was 109.6MB in the beginning and 109.5MB in the end (delta: 132.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 971.96ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 80.0MB in the end (delta: 20.2MB). Peak memory consumption was 18.9MB. 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:610) 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_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_256_thresh_2_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9 --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 cda1efa412e0663af96ef79b4e9a252864511b1651836b3196eb6d1863ef9910 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:19:35,100 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:19:35,187 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 22:19:35,220 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:19:35,221 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:19:35,222 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:19:35,223 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:19:35,224 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:19:35,224 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:19:35,225 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:19:35,226 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:19:35,226 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:19:35,227 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:19:35,227 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:19:35,228 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:19:35,229 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:19:35,229 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:19:35,230 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:19:35,230 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:19:35,231 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:19:35,231 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:19:35,232 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:19:35,233 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:19:35,233 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:19:35,234 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:19:35,234 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:19:35,235 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:19:35,235 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:19:35,236 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:19:35,236 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:19:35,237 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:19:35,237 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:19:35,238 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:19:35,238 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:19:35,239 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:19:35,239 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:19:35,239 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:19:35,240 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cda1efa412e0663af96ef79b4e9a252864511b1651836b3196eb6d1863ef9910 [2023-12-02 22:19:35,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:19:35,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:19:35,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:19:35,634 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:19:35,635 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:19:35,636 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/poly_256_thresh_2_safe.c-amalgamation.i [2023-12-02 22:19:38,739 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:19:39,167 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:19:39,168 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/sv-benchmarks/c/neural-networks/poly_256_thresh_2_safe.c-amalgamation.i [2023-12-02 22:19:39,196 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/data/c57982e10/358f571f71144bbcae44fbbd31886ca1/FLAG100528ee9 [2023-12-02 22:19:39,210 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/data/c57982e10/358f571f71144bbcae44fbbd31886ca1 [2023-12-02 22:19:39,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:19:39,213 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:19:39,215 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:19:39,215 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:19:39,219 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:19:39,220 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:19:39" (1/1) ... [2023-12-02 22:19:39,221 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aca297e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:19:39, skipping insertion in model container [2023-12-02 22:19:39,221 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:19:39" (1/1) ... [2023-12-02 22:19:39,291 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:19:40,112 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_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/sv-benchmarks/c/neural-networks/poly_256_thresh_2_safe.c-amalgamation.i[71457,71470] [2023-12-02 22:19:40,412 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:19:40,429 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-02 22:19:40,454 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:19:40,483 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_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/sv-benchmarks/c/neural-networks/poly_256_thresh_2_safe.c-amalgamation.i[71457,71470] [2023-12-02 22:19:40,593 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:19:40,600 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:19:40,660 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_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/sv-benchmarks/c/neural-networks/poly_256_thresh_2_safe.c-amalgamation.i[71457,71470] [2023-12-02 22:19:40,753 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:19:40,965 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:19:40,965 WARN L675 CHandler]: The function fclose is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:19:40,965 WARN L675 CHandler]: The function feof is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:19:40,965 WARN L675 CHandler]: The function activation is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:19:40,971 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:19:40,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:19:40 WrapperNode [2023-12-02 22:19:40,971 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:19:40,972 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:19:40,972 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:19:40,972 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:19:40,978 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:19:40" (1/1) ... [2023-12-02 22:19:41,046 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:19:40" (1/1) ... [2023-12-02 22:19:41,160 INFO L138 Inliner]: procedures = 779, calls = 1131, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 1701 [2023-12-02 22:19:41,160 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:19:41,161 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:19:41,161 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:19:41,161 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:19:41,171 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:19:40" (1/1) ... [2023-12-02 22:19:41,171 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:19:40" (1/1) ... [2023-12-02 22:19:41,186 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:19:40" (1/1) ... [2023-12-02 22:19:41,186 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:19:40" (1/1) ... [2023-12-02 22:19:41,237 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:19:40" (1/1) ... [2023-12-02 22:19:41,247 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:19:40" (1/1) ... [2023-12-02 22:19:41,257 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:19:40" (1/1) ... [2023-12-02 22:19:41,267 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:19:40" (1/1) ... [2023-12-02 22:19:41,280 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:19:41,281 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:19:41,281 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:19:41,282 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:19:41,282 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:19:40" (1/1) ... [2023-12-02 22:19:41,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:19:41,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:19:41,312 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:19:41,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:19:41,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-02 22:19:41,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2023-12-02 22:19:41,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:19:41,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 22:19:41,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:19:41,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:19:41,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 22:19:41,356 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 22:19:41,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:19:41,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 22:19:41,357 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_idx2sub [2023-12-02 22:19:41,357 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_idx2sub [2023-12-02 22:19:41,357 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-12-02 22:19:41,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-12-02 22:19:41,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:19:41,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:19:41,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-02 22:19:41,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-12-02 22:19:41,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 22:19:41,358 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_dense [2023-12-02 22:19:41,358 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_dense [2023-12-02 22:19:41,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-02 22:19:41,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 22:19:41,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 22:19:41,359 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_sub2idx [2023-12-02 22:19:41,359 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_sub2idx [2023-12-02 22:19:41,604 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:19:41,606 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:20:35,563 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:20:37,545 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:20:37,545 INFO L309 CfgBuilder]: Removed 44 assume(true) statements. [2023-12-02 22:20:37,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:20:37 BoogieIcfgContainer [2023-12-02 22:20:37,547 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:20:37,548 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:20:37,548 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:20:37,556 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:20:37,557 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:20:37" (1/1) ... [2023-12-02 22:20:37,565 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:20:37,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:20:37,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 101 states and 165 transitions. [2023-12-02 22:20:37,621 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 165 transitions. [2023-12-02 22:20:37,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-02 22:20:37,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:20:37,630 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:20:37,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:20:37,632 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:20:37,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:20:56,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:20:56,089 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:21:03,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:21:04,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 4541 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:21:04,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:21:05,427 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:21:05,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:21:11,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:21:12,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:21:17,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:21:18,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:21:23,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:21:23,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:21:23,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 118 states and 207 transitions. [2023-12-02 22:21:23,778 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 207 transitions. [2023-12-02 22:21:23,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 22:21:23,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:21:23,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:21:23,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:21:23,784 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:21:23,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 22:21:42,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:21:42,256 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:21:47,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:21:48,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 4542 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:21:48,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:21:49,310 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:21:49,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 22:21:51,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:21:51,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 125 states and 230 transitions. [2023-12-02 22:21:51,349 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 230 transitions. [2023-12-02 22:21:51,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-02 22:21:51,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:21:51,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:21:51,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:21:51,354 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:21:51,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 22:22:09,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:22:09,602 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:22:14,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:22:15,482 INFO L262 TraceCheckSpWp]: Trace formula consists of 4550 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:22:15,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:22:16,175 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:22:16,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-02 22:22:19,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:22:19,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:22:19,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 126 states and 232 transitions. [2023-12-02 22:22:19,603 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 232 transitions. [2023-12-02 22:22:19,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-02 22:22:19,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:22:19,606 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:22:19,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:22:19,607 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:22:19,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 22:22:38,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:22:38,612 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:22:43,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:22:44,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 4547 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:22:44,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:22:45,807 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:22:45,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 22:22:49,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:22:51,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:22:54,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:22:54,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 134 states and 259 transitions. [2023-12-02 22:22:54,172 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 259 transitions. [2023-12-02 22:22:54,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 22:22:54,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:22:54,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:22:54,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:22:54,177 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:22:54,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 22:23:13,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:13,208 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:23:18,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:19,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 4573 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:23:19,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:23:20,254 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 22:23:20,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 22:23:23,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:23:25,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:23:26,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:26,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 135 states and 260 transitions. [2023-12-02 22:23:26,036 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 260 transitions. [2023-12-02 22:23:26,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 22:23:26,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:26,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:23:26,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:23:26,039 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:23:26,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 22:23:44,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:44,637 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:23:49,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:50,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 4548 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:23:50,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:23:52,286 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:23:52,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 22:23:55,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:55,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 142 states and 287 transitions. [2023-12-02 22:23:55,577 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 287 transitions. [2023-12-02 22:23:55,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-02 22:23:55,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:55,579 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:23:55,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:23:55,581 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:23:55,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 22:24:13,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:24:13,927 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:24:19,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:24:20,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 4555 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:24:20,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:24:22,070 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:24:22,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-12-02 22:24:25,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:24:28,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:24:33,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:24:33,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 151 states and 320 transitions. [2023-12-02 22:24:33,537 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 320 transitions. [2023-12-02 22:24:33,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:24:33,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:24:33,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:24:33,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:24:33,541 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:24:33,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 22:24:52,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:24:52,014 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:24:57,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:24:58,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 4557 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:24:58,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:25:00,114 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:25:00,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-02 22:25:07,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:25:08,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:25:12,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:25:12,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 158 states and 351 transitions. [2023-12-02 22:25:12,877 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 351 transitions. [2023-12-02 22:25:12,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:25:12,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:25:12,878 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:25:12,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:25:12,880 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:25:12,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 22:25:31,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:25:31,603 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:25:36,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:25:37,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 4551 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:25:37,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:25:40,416 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 22:25:40,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-02 22:25:48,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:25:54,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.71s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:26:13,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:26:13,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-02 22:26:13,993 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-02 22:26:13,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 22:26:13,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:26:13,995 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:26:13,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:26:13,996 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:26:13,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 22:26:32,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:26:32,140 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:26:37,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:26:38,056 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:26:38,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:26:40,538 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 22:26:40,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-02 22:26:44,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:26:44,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-02 22:26:44,683 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-02 22:26:44,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 22:26:44,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:26:44,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:26:44,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:26:44,687 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:26:44,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 22:27:02,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:27:02,894 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:27:07,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:27:08,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:27:08,891 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:27:10,132 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 22:27:10,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-02 22:27:10,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:27:10,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-02 22:27:10,252 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-02 22:27:10,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 22:27:10,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:27:10,253 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:27:10,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:27:10,254 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:27:10,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-02 22:27:28,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:27:28,820 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:27:33,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:27:34,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:27:34,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:27:36,088 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 22:27:36,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-02 22:27:36,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:27:36,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-02 22:27:36,214 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-02 22:27:36,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 22:27:36,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:27:36,215 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:27:36,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:27:36,216 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:27:36,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-02 22:27:54,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:27:54,556 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:27:59,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:00,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:28:00,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:01,816 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 22:28:01,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-02 22:28:01,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:01,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-02 22:28:01,932 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-02 22:28:01,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 22:28:01,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:01,934 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:28:01,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:28:01,935 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:28:01,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-02 22:28:20,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:20,570 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:28:25,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:26,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:28:26,432 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:27,691 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 22:28:27,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-02 22:28:27,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:27,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-02 22:28:27,807 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-02 22:28:27,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 22:28:27,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:27,808 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:28:27,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:28:27,809 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:28:27,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-02 22:28:46,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:46,246 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:28:51,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:52,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:28:52,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:53,411 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 22:28:53,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-02 22:28:53,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:53,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-02 22:28:53,530 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-02 22:28:53,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 22:28:53,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:53,531 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:28:53,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:28:53,532 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:28:53,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-02 22:29:13,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:13,346 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:29:18,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:19,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:29:19,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:29:20,563 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 22:29:20,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-02 22:29:20,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:29:20,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-02 22:29:20,668 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-02 22:29:20,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 22:29:20,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:29:20,669 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:29:20,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:29:20,670 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:29:20,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-02 22:29:39,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:39,828 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:29:45,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:46,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:29:46,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:29:47,724 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 22:29:47,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-02 22:29:47,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:29:47,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-02 22:29:47,834 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-02 22:29:47,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 22:29:47,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:29:47,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:29:47,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:29:47,837 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:29:47,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-02 22:30:07,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:07,133 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:30:12,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:13,254 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:30:13,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:14,645 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 22:30:14,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-02 22:30:14,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:14,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-02 22:30:14,756 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-02 22:30:14,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 22:30:14,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:14,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:30:14,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:30:14,758 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:30:14,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-02 22:30:34,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:34,786 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:30:39,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:40,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:30:40,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:42,038 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 22:30:42,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-02 22:30:42,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:42,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-02 22:30:42,162 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-02 22:30:42,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 22:30:42,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:42,164 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:30:42,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:30:42,164 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:30:42,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-02 22:31:01,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:31:01,620 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:31:06,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:31:07,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:31:07,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:31:09,015 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 22:31:09,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2023-12-02 22:31:09,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:31:09,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-02 22:31:09,125 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-02 22:31:09,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 22:31:09,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:31:09,127 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:31:09,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:31:09,127 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:31:09,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-02 22:31:28,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:31:28,733 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:31:33,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:31:34,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:31:34,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:31:36,143 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 22:31:36,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-02 22:31:36,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:31:36,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-02 22:31:36,258 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-02 22:31:36,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 22:31:36,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:31:36,259 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:31:36,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:31:36,260 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:31:36,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-02 22:31:57,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:31:57,277 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:32:02,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:32:03,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:32:03,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:32:04,393 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 22:32:04,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-02 22:32:04,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:32:04,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-02 22:32:04,504 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-02 22:32:04,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 22:32:04,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:32:04,505 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:32:04,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:32:04,506 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:32:04,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-02 22:32:25,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:32:25,451 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:32:30,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:32:31,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:32:31,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:32:32,985 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 22:32:33,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-02 22:32:33,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:32:33,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-02 22:32:33,091 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-02 22:32:33,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 22:32:33,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:32:33,092 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:32:33,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:32:33,093 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:32:33,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-02 22:32:54,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:32:54,293 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:32:59,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:33:00,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:33:00,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:33:02,025 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 22:33:02,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-02 22:33:02,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:33:02,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-02 22:33:02,139 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-02 22:33:02,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 22:33:02,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:33:02,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:33:02,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:33:02,141 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:33:02,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-02 22:33:22,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:33:22,234 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:33:27,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:33:28,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:33:28,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:33:29,484 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 22:33:29,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-02 22:33:29,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:33:29,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-02 22:33:29,596 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-02 22:33:29,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 22:33:29,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:33:29,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:33:29,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:33:29,597 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:33:29,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-02 22:33:51,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:33:51,636 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:33:56,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:33:57,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:33:57,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:33:59,028 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 22:33:59,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-02 22:33:59,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:33:59,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 183 states and 439 transitions. [2023-12-02 22:33:59,142 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 439 transitions. [2023-12-02 22:33:59,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 22:33:59,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:33:59,143 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:33:59,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:33:59,144 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:33:59,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0127866-8d8e-4f7a-b5a6-ae1aecfad694/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process