./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/poly_16_16_16_16_thresh_4_unsafe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/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_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_16_16_16_16_thresh_4_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/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_047a299a-5e46-41c7-a791-d3b133e15df9/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 31b20e2af633e90976b9f2d7701cd7b3eb549da1122dcdd4d46af852cfbf7b83 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:17:48,819 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:17:48,883 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 22:17:48,887 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:17:48,888 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:17:48,910 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:17:48,911 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:17:48,912 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:17:48,913 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:17:48,913 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:17:48,914 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:17:48,914 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:17:48,915 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:17:48,915 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:17:48,915 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:17:48,916 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:17:48,916 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:17:48,917 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:17:48,917 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:17:48,918 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:17:48,918 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:17:48,919 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:17:48,920 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:17:48,920 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:17:48,920 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:17:48,921 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:17:48,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:17:48,922 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:17:48,922 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:17:48,922 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:17:48,923 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:17:48,923 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:17:48,924 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:17:48,924 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_047a299a-5e46-41c7-a791-d3b133e15df9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31b20e2af633e90976b9f2d7701cd7b3eb549da1122dcdd4d46af852cfbf7b83 [2023-12-02 22:17:49,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:17:49,159 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:17:49,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:17:49,163 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:17:49,163 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:17:49,164 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/poly_16_16_16_16_thresh_4_unsafe.c-amalgamation.i [2023-12-02 22:17:51,847 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:17:52,168 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:17:52,169 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/sv-benchmarks/c/neural-networks/poly_16_16_16_16_thresh_4_unsafe.c-amalgamation.i [2023-12-02 22:17:52,197 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/data/b6c6c9de1/c923e1317c1c47d8bbced2229fc615f6/FLAGad53c5040 [2023-12-02 22:17:52,211 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/data/b6c6c9de1/c923e1317c1c47d8bbced2229fc615f6 [2023-12-02 22:17:52,214 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:17:52,215 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:17:52,216 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:17:52,217 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:17:52,221 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:17:52,222 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:17:52" (1/1) ... [2023-12-02 22:17:52,223 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f3e571f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:52, skipping insertion in model container [2023-12-02 22:17:52,223 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:17:52" (1/1) ... [2023-12-02 22:17:52,300 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:17:53,274 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 22:17:53,278 INFO L158 Benchmark]: Toolchain (without parser) took 1061.89ms. Allocated memory is still 159.4MB. Free memory was 116.5MB in the beginning and 96.1MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-02 22:17:53,278 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 113.2MB. Free memory is still 61.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:17:53,279 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1059.73ms. Allocated memory is still 159.4MB. Free memory was 116.5MB in the beginning and 96.1MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-02 22:17:53,280 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 113.2MB. Free memory is still 61.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1059.73ms. Allocated memory is still 159.4MB. Free memory was 116.5MB in the beginning and 96.1MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/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_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_16_16_16_16_thresh_4_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/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_047a299a-5e46-41c7-a791-d3b133e15df9/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 31b20e2af633e90976b9f2d7701cd7b3eb549da1122dcdd4d46af852cfbf7b83 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:17:55,005 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:17:55,091 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 22:17:55,124 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:17:55,125 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:17:55,125 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:17:55,126 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:17:55,127 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:17:55,127 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:17:55,128 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:17:55,128 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:17:55,129 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:17:55,130 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:17:55,130 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:17:55,131 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:17:55,131 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:17:55,132 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:17:55,132 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:17:55,133 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:17:55,133 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:17:55,134 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:17:55,134 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:17:55,135 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:17:55,135 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:17:55,136 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:17:55,136 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:17:55,137 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:17:55,137 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:17:55,138 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:17:55,138 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:17:55,139 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:17:55,139 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:17:55,140 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:17:55,140 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:17:55,140 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:17:55,140 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:17:55,141 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:17:55,141 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_047a299a-5e46-41c7-a791-d3b133e15df9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31b20e2af633e90976b9f2d7701cd7b3eb549da1122dcdd4d46af852cfbf7b83 [2023-12-02 22:17:55,435 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:17:55,455 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:17:55,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:17:55,458 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:17:55,459 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:17:55,460 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/poly_16_16_16_16_thresh_4_unsafe.c-amalgamation.i [2023-12-02 22:17:58,239 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:17:58,596 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:17:58,596 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/sv-benchmarks/c/neural-networks/poly_16_16_16_16_thresh_4_unsafe.c-amalgamation.i [2023-12-02 22:17:58,622 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/data/d0b9c68b6/4a69686cdc4c4a86a5e524c02108c4d4/FLAGfe5ccbe91 [2023-12-02 22:17:58,635 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/data/d0b9c68b6/4a69686cdc4c4a86a5e524c02108c4d4 [2023-12-02 22:17:58,637 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:17:58,638 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:17:58,639 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:17:58,640 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:17:58,643 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:17:58,644 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:17:58" (1/1) ... [2023-12-02 22:17:58,645 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50198ee6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:17:58, skipping insertion in model container [2023-12-02 22:17:58,645 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:17:58" (1/1) ... [2023-12-02 22:17:58,714 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:17:59,652 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_047a299a-5e46-41c7-a791-d3b133e15df9/sv-benchmarks/c/neural-networks/poly_16_16_16_16_thresh_4_unsafe.c-amalgamation.i[71489,71502] [2023-12-02 22:18:00,010 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:18:00,028 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-02 22:18:00,057 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:18:00,083 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_047a299a-5e46-41c7-a791-d3b133e15df9/sv-benchmarks/c/neural-networks/poly_16_16_16_16_thresh_4_unsafe.c-amalgamation.i[71489,71502] [2023-12-02 22:18:00,181 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:18:00,213 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:18:00,252 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_047a299a-5e46-41c7-a791-d3b133e15df9/sv-benchmarks/c/neural-networks/poly_16_16_16_16_thresh_4_unsafe.c-amalgamation.i[71489,71502] [2023-12-02 22:18:00,347 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:18:00,659 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:18:00,659 WARN L675 CHandler]: The function fclose is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:18:00,659 WARN L675 CHandler]: The function feof is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:18:00,659 WARN L675 CHandler]: The function activation is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:18:00,665 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:18:00,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:00 WrapperNode [2023-12-02 22:18:00,666 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:18:00,666 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:18:00,666 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:18:00,666 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:18:00,673 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:00" (1/1) ... [2023-12-02 22:18:00,737 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:00" (1/1) ... [2023-12-02 22:18:00,842 INFO L138 Inliner]: procedures = 779, calls = 1350, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 1947 [2023-12-02 22:18:00,842 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:18:00,843 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:18:00,843 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:18:00,843 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:18:00,851 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:00" (1/1) ... [2023-12-02 22:18:00,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:00" (1/1) ... [2023-12-02 22:18:00,868 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:00" (1/1) ... [2023-12-02 22:18:00,868 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:00" (1/1) ... [2023-12-02 22:18:00,945 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:00" (1/1) ... [2023-12-02 22:18:00,957 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:00" (1/1) ... [2023-12-02 22:18:00,972 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:00" (1/1) ... [2023-12-02 22:18:00,982 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:00" (1/1) ... [2023-12-02 22:18:01,001 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:18:01,002 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:18:01,002 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:18:01,002 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:18:01,003 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:00" (1/1) ... [2023-12-02 22:18:01,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:18:01,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:18:01,026 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:18:01,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:18:01,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-02 22:18:01,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2023-12-02 22:18:01,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:18:01,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 22:18:01,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:18:01,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:18:01,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 22:18:01,081 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 22:18:01,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:18:01,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 22:18:01,082 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_idx2sub [2023-12-02 22:18:01,082 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_idx2sub [2023-12-02 22:18:01,082 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-12-02 22:18:01,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-12-02 22:18:01,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:18:01,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:18:01,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-02 22:18:01,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-12-02 22:18:01,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 22:18:01,083 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_dense [2023-12-02 22:18:01,084 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_dense [2023-12-02 22:18:01,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-02 22:18:01,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 22:18:01,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 22:18:01,084 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_sub2idx [2023-12-02 22:18:01,084 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_sub2idx [2023-12-02 22:18:01,314 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:18:01,316 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:18:55,348 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:18:57,963 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:18:57,963 INFO L309 CfgBuilder]: Removed 44 assume(true) statements. [2023-12-02 22:18:57,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:18:57 BoogieIcfgContainer [2023-12-02 22:18:57,965 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:18:57,998 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:18:57,998 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:18:58,009 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:18:58,009 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:18:57" (1/1) ... [2023-12-02 22:18:58,020 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:18:58,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:18:58,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 104 states and 171 transitions. [2023-12-02 22:18:58,078 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 171 transitions. [2023-12-02 22:18:58,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-02 22:18:58,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:18:58,089 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:18:58,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:18:58,091 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:18:58,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:19:21,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:19:21,130 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:19:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:19:33,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 5903 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:19:33,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:19:34,069 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-12-02 22:19:34,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:19:47,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 13.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:19:48,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:19:49,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:19:51,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:19:53,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:19:57,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:19:57,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:19:57,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 121 states and 216 transitions. [2023-12-02 22:19:57,596 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 216 transitions. [2023-12-02 22:19:57,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-02 22:19:57,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:19:57,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:19:57,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:19:57,605 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:19:57,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 22:20:19,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:20:19,957 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:20:29,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:20:30,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 5905 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:20:30,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:20:31,488 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2023-12-02 22:20:31,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 22:20:33,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:20:33,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 128 states and 239 transitions. [2023-12-02 22:20:33,905 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 239 transitions. [2023-12-02 22:20:33,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-02 22:20:33,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:20:33,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:20:33,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:20:33,910 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:20:33,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 22:20:57,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:20:57,207 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:21:06,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:21:07,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 5912 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:21:07,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:21:08,753 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-12-02 22:21:08,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 22:21:10,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:21:11,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:21:11,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 129 states and 241 transitions. [2023-12-02 22:21:11,104 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 241 transitions. [2023-12-02 22:21:11,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-12-02 22:21:11,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:21:11,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:21:11,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:21:11,108 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:21:11,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 22:21:35,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:21:35,618 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:21:45,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:21:46,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 5916 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:21:46,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:21:47,509 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2023-12-02 22:21:47,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 22:21:49,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:21:51,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:21:54,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:21:54,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 137 states and 268 transitions. [2023-12-02 22:21:54,083 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 268 transitions. [2023-12-02 22:21:54,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-02 22:21:54,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:21:54,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:21:54,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:21:54,088 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:21:54,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 22:22:17,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:22:17,246 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:22:26,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:22:27,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 5923 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:22:27,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:22:28,725 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2023-12-02 22:22:28,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 22:22:32,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:22:32,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 144 states and 295 transitions. [2023-12-02 22:22:32,586 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 295 transitions. [2023-12-02 22:22:32,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-02 22:22:32,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:22:32,589 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:22:32,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:22:32,590 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:22:32,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 22:22:57,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:22:57,552 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:23:07,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:08,944 INFO L262 TraceCheckSpWp]: Trace formula consists of 5969 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:23:08,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:23:09,927 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2023-12-02 22:23:10,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-12-02 22:23:14,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:23:17,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:23:19,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:23:19,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 145 states and 296 transitions. [2023-12-02 22:23:19,085 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 296 transitions. [2023-12-02 22:23:19,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-02 22:23:19,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:23:19,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:23:19,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:23:19,089 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:23:19,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 22:23:43,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:43,892 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:23:54,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:23:55,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 5948 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:23:55,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:23:57,556 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2023-12-02 22:23:57,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 22:23:59,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:24:00,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:24:02,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:24:04,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:24:10,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:24:10,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 154 states and 329 transitions. [2023-12-02 22:24:10,061 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 329 transitions. [2023-12-02 22:24:10,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-02 22:24:10,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:24:10,063 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:24:10,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:24:10,064 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:24:10,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 22:24:37,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:24:37,001 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:24:46,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:24:47,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 5934 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:24:47,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:24:49,443 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-12-02 22:24:49,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-02 22:24:51,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:24:57,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:24:57,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 161 states and 360 transitions. [2023-12-02 22:24:57,206 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 360 transitions. [2023-12-02 22:24:57,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-02 22:24:57,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:24:57,209 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:24:57,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:24:57,210 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:24:57,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 22:25:21,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:25:21,580 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:25:32,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:25:33,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 5932 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:25:33,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:25:38,336 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2023-12-02 22:25:38,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-02 22:25:53,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 13.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:25:59,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.05s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:26:21,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:26:26,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:26:26,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 186 states and 448 transitions. [2023-12-02 22:26:26,743 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 448 transitions. [2023-12-02 22:26:26,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 22:26:26,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:26:26,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:26:26,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:26:26,748 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:26:26,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 22:26:51,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:26:51,080 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:27:00,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:27:01,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 5933 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:27:01,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:27:06,379 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 22:27:06,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-02 22:27:11,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:27:11,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 186 states and 448 transitions. [2023-12-02 22:27:11,542 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 448 transitions. [2023-12-02 22:27:11,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 22:27:11,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:27:11,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:27:11,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:27:11,547 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:27:11,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 22:27:35,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:27:35,500 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:27:44,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:27:45,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 5933 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:27:45,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:27:49,138 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 22:27:49,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-02 22:27:49,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:27:49,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 186 states and 448 transitions. [2023-12-02 22:27:49,259 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 448 transitions. [2023-12-02 22:27:49,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 22:27:49,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:27:49,261 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:27:49,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:27:49,262 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:27:49,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-02 22:28:13,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:13,197 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:28:22,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:23,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 5933 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:28:23,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:27,387 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 22:28:27,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-02 22:28:27,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:27,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 186 states and 448 transitions. [2023-12-02 22:28:27,494 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 448 transitions. [2023-12-02 22:28:27,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 22:28:27,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:27,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:28:27,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:28:27,498 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:28:27,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-02 22:28:53,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:53,519 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:29:04,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:05,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 5933 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:29:05,613 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:29:09,075 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 22:29:09,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-02 22:29:09,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:29:09,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 186 states and 448 transitions. [2023-12-02 22:29:09,194 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 448 transitions. [2023-12-02 22:29:09,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 22:29:09,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:29:09,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:29:09,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:29:09,198 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:29:09,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-02 22:29:34,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:34,926 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:29:45,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:29:46,118 INFO L262 TraceCheckSpWp]: Trace formula consists of 5933 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:29:46,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:29:49,578 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 22:29:49,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2023-12-02 22:29:49,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:29:49,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 186 states and 448 transitions. [2023-12-02 22:29:49,696 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 448 transitions. [2023-12-02 22:29:49,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 22:29:49,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:29:49,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:29:49,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:29:49,700 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:29:49,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-02 22:30:13,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:13,895 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:30:23,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:24,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 5933 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:30:24,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:28,221 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 22:30:28,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-02 22:30:28,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:28,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 186 states and 448 transitions. [2023-12-02 22:30:28,339 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 448 transitions. [2023-12-02 22:30:28,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 22:30:28,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:28,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:30:28,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:30:28,342 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:30:28,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-02 22:30:52,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:52,967 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:31:01,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:31:02,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 5933 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:31:02,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:31:06,374 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 22:31:06,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-02 22:31:06,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:31:06,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 186 states and 448 transitions. [2023-12-02 22:31:06,486 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 448 transitions. [2023-12-02 22:31:06,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 22:31:06,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:31:06,488 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:31:06,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:31:06,489 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:31:06,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-02 22:31:31,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:31:31,880 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:31:42,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:31:43,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 5933 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:31:43,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:31:46,696 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 22:31:46,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-02 22:31:46,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:31:46,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 186 states and 448 transitions. [2023-12-02 22:31:46,814 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 448 transitions. [2023-12-02 22:31:46,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 22:31:46,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:31:46,816 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:31:46,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:31:46,817 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:31:46,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-02 22:32:12,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:32:12,594 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:32:22,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:32:23,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 5933 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:32:23,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:32:26,627 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-12-02 22:32:26,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-02 22:32:26,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:32:26,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 186 states and 448 transitions. [2023-12-02 22:32:26,745 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 448 transitions. [2023-12-02 22:32:26,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 22:32:26,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:32:26,746 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:32:26,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:32:26,747 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:32:26,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047a299a-5e46-41c7-a791-d3b133e15df9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process