./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/poly_128_128_thresh_1_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_3f43bfe4-efad-4e7d-b04e-1fabb2547eb8/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f43bfe4-efad-4e7d-b04e-1fabb2547eb8/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f43bfe4-efad-4e7d-b04e-1fabb2547eb8/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f43bfe4-efad-4e7d-b04e-1fabb2547eb8/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_128_128_thresh_1_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f43bfe4-efad-4e7d-b04e-1fabb2547eb8/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f43bfe4-efad-4e7d-b04e-1fabb2547eb8/bin/utaipan-verify-nQ1chXbOIh --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9331436d352a0c6f434f7bc735a5c53fbb7cc7e2337d7f0bf8f63059f52557e4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 14:08:21,783 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 14:08:21,848 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f43bfe4-efad-4e7d-b04e-1fabb2547eb8/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 14:08:21,852 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 14:08:21,853 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 14:08:21,877 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 14:08:21,877 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 14:08:21,878 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 14:08:21,879 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 14:08:21,879 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 14:08:21,880 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 14:08:21,880 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 14:08:21,881 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 14:08:21,881 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 14:08:21,882 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 14:08:21,882 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 14:08:21,883 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 14:08:21,884 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 14:08:21,884 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 14:08:21,885 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 14:08:21,885 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 14:08:21,886 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 14:08:21,887 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 14:08:21,887 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 14:08:21,888 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 14:08:21,888 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 14:08:21,889 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 14:08:21,889 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 14:08:21,890 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 14:08:21,890 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 14:08:21,891 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 14:08:21,891 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 14:08:21,891 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 14:08:21,892 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 14:08:21,892 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 14:08:21,892 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 14:08:21,892 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 14:08:21,892 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:08:21,893 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 14:08:21,893 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 14:08:21,893 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 14:08:21,894 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 14:08:21,894 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 14:08:21,894 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 14:08:21,894 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 14:08:21,894 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 14:08:21,895 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 14:08:21,895 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_3f43bfe4-efad-4e7d-b04e-1fabb2547eb8/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f43bfe4-efad-4e7d-b04e-1fabb2547eb8/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9331436d352a0c6f434f7bc735a5c53fbb7cc7e2337d7f0bf8f63059f52557e4 [2023-12-02 14:08:22,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 14:08:22,119 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 14:08:22,122 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 14:08:22,124 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 14:08:22,124 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 14:08:22,125 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f43bfe4-efad-4e7d-b04e-1fabb2547eb8/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/neural-networks/poly_128_128_thresh_1_safe.c-amalgamation.i [2023-12-02 14:08:24,888 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 14:08:25,347 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 14:08:25,347 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f43bfe4-efad-4e7d-b04e-1fabb2547eb8/sv-benchmarks/c/neural-networks/poly_128_128_thresh_1_safe.c-amalgamation.i [2023-12-02 14:08:25,386 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f43bfe4-efad-4e7d-b04e-1fabb2547eb8/bin/utaipan-verify-nQ1chXbOIh/data/341d339d5/2fb1ce89b6054c199f9d012a9895ad57/FLAG0c8732cd6 [2023-12-02 14:08:25,399 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f43bfe4-efad-4e7d-b04e-1fabb2547eb8/bin/utaipan-verify-nQ1chXbOIh/data/341d339d5/2fb1ce89b6054c199f9d012a9895ad57 [2023-12-02 14:08:25,401 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 14:08:25,402 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 14:08:25,404 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 14:08:25,404 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 14:08:25,408 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 14:08:25,409 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:08:25" (1/1) ... [2023-12-02 14:08:25,410 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33b969f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:08:25, skipping insertion in model container [2023-12-02 14:08:25,410 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:08:25" (1/1) ... [2023-12-02 14:08:25,491 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 14:08:26,341 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 14:08:26,345 INFO L158 Benchmark]: Toolchain (without parser) took 941.93ms. Allocated memory is still 153.1MB. Free memory was 95.9MB in the beginning and 108.8MB in the end (delta: -12.9MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2023-12-02 14:08:26,346 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 123.7MB. Free memory is still 68.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 14:08:26,347 INFO L158 Benchmark]: CACSL2BoogieTranslator took 939.85ms. Allocated memory is still 153.1MB. Free memory was 95.9MB in the beginning and 108.8MB in the end (delta: -12.9MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2023-12-02 14:08:26,348 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 123.7MB. Free memory is still 68.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 939.85ms. Allocated memory is still 153.1MB. Free memory was 95.9MB in the beginning and 108.8MB in the end (delta: -12.9MB). Peak memory consumption was 26.2MB. 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_3f43bfe4-efad-4e7d-b04e-1fabb2547eb8/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f43bfe4-efad-4e7d-b04e-1fabb2547eb8/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f43bfe4-efad-4e7d-b04e-1fabb2547eb8/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f43bfe4-efad-4e7d-b04e-1fabb2547eb8/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_128_128_thresh_1_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f43bfe4-efad-4e7d-b04e-1fabb2547eb8/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f43bfe4-efad-4e7d-b04e-1fabb2547eb8/bin/utaipan-verify-nQ1chXbOIh --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9331436d352a0c6f434f7bc735a5c53fbb7cc7e2337d7f0bf8f63059f52557e4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 14:08:28,037 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 14:08:28,112 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f43bfe4-efad-4e7d-b04e-1fabb2547eb8/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 14:08:28,118 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 14:08:28,118 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 14:08:28,147 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 14:08:28,148 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 14:08:28,148 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 14:08:28,149 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 14:08:28,150 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 14:08:28,150 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 14:08:28,151 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 14:08:28,151 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 14:08:28,152 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 14:08:28,153 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 14:08:28,153 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 14:08:28,154 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 14:08:28,155 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 14:08:28,155 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 14:08:28,156 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 14:08:28,156 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 14:08:28,157 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 14:08:28,157 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 14:08:28,157 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 14:08:28,158 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 14:08:28,158 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 14:08:28,158 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 14:08:28,159 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 14:08:28,159 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 14:08:28,160 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 14:08:28,160 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 14:08:28,160 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 14:08:28,161 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 14:08:28,161 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 14:08:28,161 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:08:28,161 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 14:08:28,162 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 14:08:28,162 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 14:08:28,162 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 14:08:28,162 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 14:08:28,162 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 14:08:28,163 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 14:08:28,163 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 14:08:28,163 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 14:08:28,163 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_3f43bfe4-efad-4e7d-b04e-1fabb2547eb8/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f43bfe4-efad-4e7d-b04e-1fabb2547eb8/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9331436d352a0c6f434f7bc735a5c53fbb7cc7e2337d7f0bf8f63059f52557e4 [2023-12-02 14:08:28,467 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 14:08:28,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 14:08:28,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 14:08:28,491 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 14:08:28,491 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 14:08:28,493 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f43bfe4-efad-4e7d-b04e-1fabb2547eb8/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/neural-networks/poly_128_128_thresh_1_safe.c-amalgamation.i [2023-12-02 14:08:31,262 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 14:08:31,732 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 14:08:31,733 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f43bfe4-efad-4e7d-b04e-1fabb2547eb8/sv-benchmarks/c/neural-networks/poly_128_128_thresh_1_safe.c-amalgamation.i [2023-12-02 14:08:31,788 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f43bfe4-efad-4e7d-b04e-1fabb2547eb8/bin/utaipan-verify-nQ1chXbOIh/data/2c6f4a374/b9fc6722cd0c4878963afbc4a15427e5/FLAG12e8966f1 [2023-12-02 14:08:31,803 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f43bfe4-efad-4e7d-b04e-1fabb2547eb8/bin/utaipan-verify-nQ1chXbOIh/data/2c6f4a374/b9fc6722cd0c4878963afbc4a15427e5 [2023-12-02 14:08:31,805 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 14:08:31,807 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 14:08:31,809 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 14:08:31,809 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 14:08:31,814 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 14:08:31,814 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:08:31" (1/1) ... [2023-12-02 14:08:31,815 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@412420d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:08:31, skipping insertion in model container [2023-12-02 14:08:31,815 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:08:31" (1/1) ... [2023-12-02 14:08:31,930 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 14:08:33,009 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_3f43bfe4-efad-4e7d-b04e-1fabb2547eb8/sv-benchmarks/c/neural-networks/poly_128_128_thresh_1_safe.c-amalgamation.i[71473,71486] [2023-12-02 14:08:39,015 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:08:39,032 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-02 14:08:39,087 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 14:08:39,110 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_3f43bfe4-efad-4e7d-b04e-1fabb2547eb8/sv-benchmarks/c/neural-networks/poly_128_128_thresh_1_safe.c-amalgamation.i[71473,71486] [2023-12-02 14:08:44,732 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:08:44,739 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 14:08:44,774 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_3f43bfe4-efad-4e7d-b04e-1fabb2547eb8/sv-benchmarks/c/neural-networks/poly_128_128_thresh_1_safe.c-amalgamation.i[71473,71486] [2023-12-02 14:08:50,517 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:08:50,745 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:08:50,745 WARN L675 CHandler]: The function fclose is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:08:50,745 WARN L675 CHandler]: The function feof is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:08:50,745 WARN L675 CHandler]: The function activation is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:08:50,751 INFO L206 MainTranslator]: Completed translation [2023-12-02 14:08:50,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:08:50 WrapperNode [2023-12-02 14:08:50,751 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 14:08:50,752 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 14:08:50,752 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 14:08:50,752 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 14:08:50,758 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:08:50" (1/1) ... [2023-12-02 14:08:50,960 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:08:50" (1/1) ... [2023-12-02 14:08:51,771 INFO L138 Inliner]: procedures = 779, calls = 17300, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 17879 [2023-12-02 14:08:51,772 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 14:08:51,772 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 14:08:51,773 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 14:08:51,773 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 14:08:51,782 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:08:50" (1/1) ... [2023-12-02 14:08:51,783 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:08:50" (1/1) ... [2023-12-02 14:08:51,916 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:08:50" (1/1) ... [2023-12-02 14:08:51,917 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:08:50" (1/1) ... [2023-12-02 14:08:52,271 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:08:50" (1/1) ... [2023-12-02 14:08:52,301 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:08:50" (1/1) ... [2023-12-02 14:08:52,355 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:08:50" (1/1) ... [2023-12-02 14:08:52,399 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:08:50" (1/1) ... [2023-12-02 14:08:52,498 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 14:08:52,499 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 14:08:52,499 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 14:08:52,499 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 14:08:52,500 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:08:50" (1/1) ... [2023-12-02 14:08:52,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:08:52,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f43bfe4-efad-4e7d-b04e-1fabb2547eb8/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:08:52,529 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f43bfe4-efad-4e7d-b04e-1fabb2547eb8/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 14:08:52,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f43bfe4-efad-4e7d-b04e-1fabb2547eb8/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 14:08:52,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-02 14:08:52,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2023-12-02 14:08:52,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 14:08:52,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 14:08:52,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 14:08:52,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 14:08:52,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 14:08:52,574 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 14:08:52,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 14:08:52,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 14:08:52,575 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_idx2sub [2023-12-02 14:08:52,575 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_idx2sub [2023-12-02 14:08:52,575 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-12-02 14:08:52,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-12-02 14:08:52,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 14:08:52,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 14:08:52,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-02 14:08:52,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-12-02 14:08:52,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 14:08:52,576 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_dense [2023-12-02 14:08:52,576 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_dense [2023-12-02 14:08:52,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-02 14:08:52,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 14:08:52,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 14:08:52,577 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_sub2idx [2023-12-02 14:08:52,577 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_sub2idx [2023-12-02 14:08:52,820 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 14:08:52,822 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 14:11:26,539 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 14:11:26,627 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 14:11:26,627 INFO L309 CfgBuilder]: Removed 44 assume(true) statements. [2023-12-02 14:11:26,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:11:26 BoogieIcfgContainer [2023-12-02 14:11:26,627 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 14:11:26,630 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 14:11:26,630 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 14:11:26,633 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 14:11:26,633 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:08:31" (1/3) ... [2023-12-02 14:11:26,634 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bd925ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:11:26, skipping insertion in model container [2023-12-02 14:11:26,634 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:08:50" (2/3) ... [2023-12-02 14:11:26,634 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bd925ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:11:26, skipping insertion in model container [2023-12-02 14:11:26,635 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:11:26" (3/3) ... [2023-12-02 14:11:26,636 INFO L112 eAbstractionObserver]: Analyzing ICFG poly_128_128_thresh_1_safe.c-amalgamation.i [2023-12-02 14:11:26,654 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 14:11:26,655 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 14:11:26,708 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 14:11:26,715 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@414102e2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 14:11:26,715 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 14:11:26,720 INFO L276 IsEmpty]: Start isEmpty. Operand has 161 states, 143 states have (on average 1.7762237762237763) internal successors, (254), 144 states have internal predecessors, (254), 11 states have call successors, (11), 5 states have call predecessors, (11), 5 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-02 14:11:26,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-02 14:11:26,739 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:11:26,740 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:11:26,740 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:11:26,745 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:11:26,746 INFO L85 PathProgramCache]: Analyzing trace with hash 185453819, now seen corresponding path program 1 times [2023-12-02 14:11:27,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:11:27,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1659204297] [2023-12-02 14:11:27,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:11:27,039 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:11:27,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f43bfe4-efad-4e7d-b04e-1fabb2547eb8/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:11:27,060 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f43bfe4-efad-4e7d-b04e-1fabb2547eb8/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 14:11:27,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f43bfe4-efad-4e7d-b04e-1fabb2547eb8/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process