./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix036_pso.opt_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_921cf4a1-611b-4db2-b07f-cc0f0d720a6a/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_921cf4a1-611b-4db2-b07f-cc0f0d720a6a/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_921cf4a1-611b-4db2-b07f-cc0f0d720a6a/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_921cf4a1-611b-4db2-b07f-cc0f0d720a6a/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix036_pso.opt_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_921cf4a1-611b-4db2-b07f-cc0f0d720a6a/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_921cf4a1-611b-4db2-b07f-cc0f0d720a6a/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eb5b5f76ea992c17ebcf5a0e506a820a4d574c4d0723905971e2f5f6725ae203 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:10:03,865 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:10:03,991 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_921cf4a1-611b-4db2-b07f-cc0f0d720a6a/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-12 02:10:04,000 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:10:04,001 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:10:04,047 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:10:04,050 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:10:04,051 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:10:04,052 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:10:04,057 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:10:04,059 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:10:04,059 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:10:04,060 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:10:04,062 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:10:04,063 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:10:04,063 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:10:04,063 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:10:04,064 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:10:04,064 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:10:04,065 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:10:04,065 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:10:04,066 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:10:04,066 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 02:10:04,067 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:10:04,067 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:10:04,068 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:10:04,068 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:10:04,069 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:10:04,069 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:10:04,070 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:10:04,071 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:10:04,072 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:10:04,072 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:10:04,072 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:10:04,072 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:10:04,073 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:10:04,073 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:10:04,073 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:10:04,073 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:10:04,074 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:10:04,074 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:10:04,074 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_921cf4a1-611b-4db2-b07f-cc0f0d720a6a/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_921cf4a1-611b-4db2-b07f-cc0f0d720a6a/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb5b5f76ea992c17ebcf5a0e506a820a4d574c4d0723905971e2f5f6725ae203 [2023-11-12 02:10:04,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:10:04,509 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:10:04,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:10:04,513 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:10:04,514 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:10:04,515 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_921cf4a1-611b-4db2-b07f-cc0f0d720a6a/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/pthread-wmm/mix036_pso.opt_tso.opt.i [2023-11-12 02:10:07,800 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:10:08,133 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:10:08,134 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_921cf4a1-611b-4db2-b07f-cc0f0d720a6a/sv-benchmarks/c/pthread-wmm/mix036_pso.opt_tso.opt.i [2023-11-12 02:10:08,155 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_921cf4a1-611b-4db2-b07f-cc0f0d720a6a/bin/uautomizer-verify-uTZkv6EMXl/data/210e69957/13a90253a95f448a9b4b7fcea7335e6b/FLAGc712b5b01 [2023-11-12 02:10:08,174 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_921cf4a1-611b-4db2-b07f-cc0f0d720a6a/bin/uautomizer-verify-uTZkv6EMXl/data/210e69957/13a90253a95f448a9b4b7fcea7335e6b [2023-11-12 02:10:08,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:10:08,178 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:10:08,179 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:10:08,179 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:10:08,185 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:10:08,186 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:10:08" (1/1) ... [2023-11-12 02:10:08,188 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d39d6d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:08, skipping insertion in model container [2023-11-12 02:10:08,188 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:10:08" (1/1) ... [2023-11-12 02:10:08,266 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:10:08,721 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:10:08,739 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:10:08,863 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:10:08,928 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:10:08,928 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:10:08,936 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:10:08,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:08 WrapperNode [2023-11-12 02:10:08,937 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:10:08,939 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:10:08,940 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:10:08,940 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:10:08,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:08" (1/1) ... [2023-11-12 02:10:08,988 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:08" (1/1) ... [2023-11-12 02:10:09,047 INFO L138 Inliner]: procedures = 177, calls = 72, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 160 [2023-11-12 02:10:09,048 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:10:09,048 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:10:09,049 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:10:09,049 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:10:09,062 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:08" (1/1) ... [2023-11-12 02:10:09,062 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:08" (1/1) ... [2023-11-12 02:10:09,080 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:08" (1/1) ... [2023-11-12 02:10:09,080 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:08" (1/1) ... [2023-11-12 02:10:09,090 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:08" (1/1) ... [2023-11-12 02:10:09,108 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:08" (1/1) ... [2023-11-12 02:10:09,111 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:08" (1/1) ... [2023-11-12 02:10:09,113 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:08" (1/1) ... [2023-11-12 02:10:09,118 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:10:09,119 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:10:09,119 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:10:09,119 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:10:09,120 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:08" (1/1) ... [2023-11-12 02:10:09,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:10:09,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_921cf4a1-611b-4db2-b07f-cc0f0d720a6a/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:10:09,171 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_921cf4a1-611b-4db2-b07f-cc0f0d720a6a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:10:09,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_921cf4a1-611b-4db2-b07f-cc0f0d720a6a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:10:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:10:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 02:10:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:10:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:10:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:10:09,230 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-12 02:10:09,230 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-12 02:10:09,230 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-12 02:10:09,230 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-12 02:10:09,231 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-12 02:10:09,231 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-12 02:10:09,231 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-12 02:10:09,233 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-12 02:10:09,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:10:09,233 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 02:10:09,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:10:09,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:10:09,236 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 02:10:09,453 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:10:09,456 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:10:09,979 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:10:10,220 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:10:10,220 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 02:10:10,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:10:10 BoogieIcfgContainer [2023-11-12 02:10:10,223 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:10:10,226 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:10:10,226 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:10:10,230 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:10:10,230 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:10:08" (1/3) ... [2023-11-12 02:10:10,231 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e4e712 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:10:10, skipping insertion in model container [2023-11-12 02:10:10,231 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:08" (2/3) ... [2023-11-12 02:10:10,232 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e4e712 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:10:10, skipping insertion in model container [2023-11-12 02:10:10,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:10:10" (3/3) ... [2023-11-12 02:10:10,233 INFO L112 eAbstractionObserver]: Analyzing ICFG mix036_pso.opt_tso.opt.i [2023-11-12 02:10:10,243 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-12 02:10:10,256 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:10:10,256 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-12 02:10:10,256 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 02:10:10,349 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-12 02:10:10,410 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 155 places, 145 transitions, 306 flow [2023-11-12 02:10:10,509 INFO L124 PetriNetUnfolderBase]: 3/141 cut-off events. [2023-11-12 02:10:10,509 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:10:10,516 INFO L83 FinitePrefix]: Finished finitePrefix Result has 154 conditions, 141 events. 3/141 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 102 event pairs, 0 based on Foata normal form. 0/130 useless extension candidates. Maximal degree in co-relation 101. Up to 2 conditions per place. [2023-11-12 02:10:10,517 INFO L82 GeneralOperation]: Start removeDead. Operand has 155 places, 145 transitions, 306 flow [2023-11-12 02:10:10,531 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 151 places, 141 transitions, 294 flow [2023-11-12 02:10:10,535 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-12 02:10:10,547 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 151 places, 141 transitions, 294 flow [2023-11-12 02:10:10,551 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 151 places, 141 transitions, 294 flow [2023-11-12 02:10:10,551 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 151 places, 141 transitions, 294 flow [2023-11-12 02:10:10,593 INFO L124 PetriNetUnfolderBase]: 3/141 cut-off events. [2023-11-12 02:10:10,593 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:10:10,595 INFO L83 FinitePrefix]: Finished finitePrefix Result has 154 conditions, 141 events. 3/141 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 103 event pairs, 0 based on Foata normal form. 0/130 useless extension candidates. Maximal degree in co-relation 101. Up to 2 conditions per place. [2023-11-12 02:10:10,599 INFO L119 LiptonReduction]: Number of co-enabled transitions 4314 [2023-11-12 02:10:15,802 INFO L134 LiptonReduction]: Checked pairs total: 13687 [2023-11-12 02:10:15,805 INFO L136 LiptonReduction]: Total number of compositions: 123 [2023-11-12 02:10:15,828 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:10:15,837 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=PETRI_NET, 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;@13df44a3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:10:15,837 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2023-11-12 02:10:15,846 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-12 02:10:15,846 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2023-11-12 02:10:15,846 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:10:15,846 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:10:15,847 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-12 02:10:15,847 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-12 02:10:15,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:10:15,853 INFO L85 PathProgramCache]: Analyzing trace with hash 586048731, now seen corresponding path program 1 times [2023-11-12 02:10:15,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:10:15,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159804659] [2023-11-12 02:10:15,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:10:15,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:10:16,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:16,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:10:16,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:10:16,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159804659] [2023-11-12 02:10:16,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159804659] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:10:16,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:10:16,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-12 02:10:16,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113036136] [2023-11-12 02:10:16,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:10:16,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:10:16,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:10:16,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:10:16,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:10:16,259 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 268 [2023-11-12 02:10:16,263 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 34 transitions, 80 flow. Second operand has 3 states, 3 states have (on average 121.33333333333333) internal successors, (364), 3 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:10:16,264 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:10:16,264 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 268 [2023-11-12 02:10:16,266 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:10:17,937 INFO L124 PetriNetUnfolderBase]: 6649/9347 cut-off events. [2023-11-12 02:10:17,938 INFO L125 PetriNetUnfolderBase]: For 90/90 co-relation queries the response was YES. [2023-11-12 02:10:17,964 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18869 conditions, 9347 events. 6649/9347 cut-off events. For 90/90 co-relation queries the response was YES. Maximal size of possible extension queue 562. Compared 52699 event pairs, 1861 based on Foata normal form. 0/6576 useless extension candidates. Maximal degree in co-relation 18857. Up to 8623 conditions per place. [2023-11-12 02:10:18,042 INFO L140 encePairwiseOnDemand]: 254/268 looper letters, 45 selfloop transitions, 5 changer transitions 0/53 dead transitions. [2023-11-12 02:10:18,043 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 53 transitions, 227 flow [2023-11-12 02:10:18,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:10:18,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-12 02:10:18,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 420 transitions. [2023-11-12 02:10:18,066 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5223880597014925 [2023-11-12 02:10:18,067 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 420 transitions. [2023-11-12 02:10:18,067 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 420 transitions. [2023-11-12 02:10:18,072 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:10:18,075 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 420 transitions. [2023-11-12 02:10:18,080 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:10:18,088 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 268.0) internal successors, (1072), 4 states have internal predecessors, (1072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:10:18,089 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 268.0) internal successors, (1072), 4 states have internal predecessors, (1072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:10:18,092 INFO L175 Difference]: Start difference. First operand has 46 places, 34 transitions, 80 flow. Second operand 3 states and 420 transitions. [2023-11-12 02:10:18,093 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 53 transitions, 227 flow [2023-11-12 02:10:18,101 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 53 transitions, 220 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-12 02:10:18,104 INFO L231 Difference]: Finished difference. Result has 45 places, 37 transitions, 121 flow [2023-11-12 02:10:18,106 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=121, PETRI_PLACES=45, PETRI_TRANSITIONS=37} [2023-11-12 02:10:18,111 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, -1 predicate places. [2023-11-12 02:10:18,111 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 37 transitions, 121 flow [2023-11-12 02:10:18,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 121.33333333333333) internal successors, (364), 3 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:10:18,112 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:10:18,113 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:10:18,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:10:18,113 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-12 02:10:18,114 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:10:18,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1853575292, now seen corresponding path program 1 times [2023-11-12 02:10:18,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:10:18,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063561704] [2023-11-12 02:10:18,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:10:18,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:10:18,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:18,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:10:18,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:10:18,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063561704] [2023-11-12 02:10:18,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063561704] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:10:18,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:10:18,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:10:18,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895818805] [2023-11-12 02:10:18,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:10:18,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:10:18,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:10:18,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:10:18,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:10:18,305 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 268 [2023-11-12 02:10:18,306 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 37 transitions, 121 flow. Second operand has 4 states, 4 states have (on average 122.0) internal successors, (488), 4 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:10:18,306 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:10:18,307 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 268 [2023-11-12 02:10:18,307 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:10:19,290 INFO L124 PetriNetUnfolderBase]: 3813/5375 cut-off events. [2023-11-12 02:10:19,291 INFO L125 PetriNetUnfolderBase]: For 310/310 co-relation queries the response was YES. [2023-11-12 02:10:19,308 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13380 conditions, 5375 events. 3813/5375 cut-off events. For 310/310 co-relation queries the response was YES. Maximal size of possible extension queue 293. Compared 27116 event pairs, 909 based on Foata normal form. 0/4450 useless extension candidates. Maximal degree in co-relation 13369. Up to 4650 conditions per place. [2023-11-12 02:10:19,350 INFO L140 encePairwiseOnDemand]: 259/268 looper letters, 41 selfloop transitions, 5 changer transitions 0/49 dead transitions. [2023-11-12 02:10:19,350 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 49 transitions, 235 flow [2023-11-12 02:10:19,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:10:19,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-12 02:10:19,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 530 transitions. [2023-11-12 02:10:19,353 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4944029850746269 [2023-11-12 02:10:19,354 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 530 transitions. [2023-11-12 02:10:19,354 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 530 transitions. [2023-11-12 02:10:19,355 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:10:19,355 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 530 transitions. [2023-11-12 02:10:19,357 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 132.5) internal successors, (530), 4 states have internal predecessors, (530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:10:19,360 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 268.0) internal successors, (1340), 5 states have internal predecessors, (1340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:10:19,362 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 268.0) internal successors, (1340), 5 states have internal predecessors, (1340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:10:19,362 INFO L175 Difference]: Start difference. First operand has 45 places, 37 transitions, 121 flow. Second operand 4 states and 530 transitions. [2023-11-12 02:10:19,362 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 49 transitions, 235 flow [2023-11-12 02:10:19,364 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 49 transitions, 230 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-12 02:10:19,367 INFO L231 Difference]: Finished difference. Result has 43 places, 33 transitions, 110 flow [2023-11-12 02:10:19,372 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=110, PETRI_PLACES=43, PETRI_TRANSITIONS=33} [2023-11-12 02:10:19,373 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, -3 predicate places. [2023-11-12 02:10:19,374 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 33 transitions, 110 flow [2023-11-12 02:10:19,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 122.0) internal successors, (488), 4 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:10:19,375 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:10:19,375 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:10:19,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:10:19,375 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-12 02:10:19,376 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:10:19,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1853433933, now seen corresponding path program 1 times [2023-11-12 02:10:19,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:10:19,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042056173] [2023-11-12 02:10:19,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:10:19,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:10:19,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:19,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:10:19,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:10:19,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042056173] [2023-11-12 02:10:19,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042056173] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:10:19,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:10:19,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:10:19,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346969205] [2023-11-12 02:10:19,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:10:19,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:10:19,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:10:19,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:10:19,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:10:19,520 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 268 [2023-11-12 02:10:19,521 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 33 transitions, 110 flow. Second operand has 4 states, 4 states have (on average 122.0) internal successors, (488), 4 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:10:19,521 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:10:19,522 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 268 [2023-11-12 02:10:19,522 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:10:20,170 INFO L124 PetriNetUnfolderBase]: 2366/3390 cut-off events. [2023-11-12 02:10:20,171 INFO L125 PetriNetUnfolderBase]: For 966/966 co-relation queries the response was YES. [2023-11-12 02:10:20,180 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8341 conditions, 3390 events. 2366/3390 cut-off events. For 966/966 co-relation queries the response was YES. Maximal size of possible extension queue 169. Compared 15720 event pairs, 511 based on Foata normal form. 0/3173 useless extension candidates. Maximal degree in co-relation 8329. Up to 1450 conditions per place. [2023-11-12 02:10:20,207 INFO L140 encePairwiseOnDemand]: 259/268 looper letters, 55 selfloop transitions, 9 changer transitions 0/67 dead transitions. [2023-11-12 02:10:20,207 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 67 transitions, 324 flow [2023-11-12 02:10:20,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:10:20,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-12 02:10:20,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 548 transitions. [2023-11-12 02:10:20,211 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5111940298507462 [2023-11-12 02:10:20,211 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 548 transitions. [2023-11-12 02:10:20,211 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 548 transitions. [2023-11-12 02:10:20,212 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:10:20,212 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 548 transitions. [2023-11-12 02:10:20,214 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 137.0) internal successors, (548), 4 states have internal predecessors, (548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:10:20,218 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 268.0) internal successors, (1340), 5 states have internal predecessors, (1340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:10:20,219 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 268.0) internal successors, (1340), 5 states have internal predecessors, (1340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:10:20,219 INFO L175 Difference]: Start difference. First operand has 43 places, 33 transitions, 110 flow. Second operand 4 states and 548 transitions. [2023-11-12 02:10:20,219 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 67 transitions, 324 flow [2023-11-12 02:10:20,221 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 67 transitions, 318 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-12 02:10:20,223 INFO L231 Difference]: Finished difference. Result has 45 places, 37 transitions, 162 flow [2023-11-12 02:10:20,223 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=162, PETRI_PLACES=45, PETRI_TRANSITIONS=37} [2023-11-12 02:10:20,224 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, -1 predicate places. [2023-11-12 02:10:20,224 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 37 transitions, 162 flow [2023-11-12 02:10:20,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 122.0) internal successors, (488), 4 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:10:20,225 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:10:20,226 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:10:20,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 02:10:20,230 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-12 02:10:20,231 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:10:20,231 INFO L85 PathProgramCache]: Analyzing trace with hash 630027471, now seen corresponding path program 1 times [2023-11-12 02:10:20,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:10:20,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938144477] [2023-11-12 02:10:20,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:10:20,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:10:20,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:20,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:10:20,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:10:20,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938144477] [2023-11-12 02:10:20,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938144477] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:10:20,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:10:20,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:10:20,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581703300] [2023-11-12 02:10:20,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:10:20,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:10:20,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:10:20,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:10:20,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:10:20,457 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 268 [2023-11-12 02:10:20,458 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 37 transitions, 162 flow. Second operand has 5 states, 5 states have (on average 122.6) internal successors, (613), 5 states have internal predecessors, (613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:10:20,458 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:10:20,459 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 268 [2023-11-12 02:10:20,459 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:10:21,076 INFO L124 PetriNetUnfolderBase]: 2087/2949 cut-off events. [2023-11-12 02:10:21,076 INFO L125 PetriNetUnfolderBase]: For 1968/1968 co-relation queries the response was YES. [2023-11-12 02:10:21,085 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8504 conditions, 2949 events. 2087/2949 cut-off events. For 1968/1968 co-relation queries the response was YES. Maximal size of possible extension queue 164. Compared 13093 event pairs, 467 based on Foata normal form. 0/2918 useless extension candidates. Maximal degree in co-relation 8491. Up to 1216 conditions per place. [2023-11-12 02:10:21,103 INFO L140 encePairwiseOnDemand]: 259/268 looper letters, 63 selfloop transitions, 13 changer transitions 4/83 dead transitions. [2023-11-12 02:10:21,103 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 83 transitions, 442 flow [2023-11-12 02:10:21,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:10:21,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-12 02:10:21,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 684 transitions. [2023-11-12 02:10:21,106 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5104477611940299 [2023-11-12 02:10:21,107 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 684 transitions. [2023-11-12 02:10:21,107 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 684 transitions. [2023-11-12 02:10:21,108 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:10:21,108 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 684 transitions. [2023-11-12 02:10:21,110 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 136.8) internal successors, (684), 5 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:10:21,114 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 268.0) internal successors, (1608), 6 states have internal predecessors, (1608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:10:21,115 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 268.0) internal successors, (1608), 6 states have internal predecessors, (1608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:10:21,116 INFO L175 Difference]: Start difference. First operand has 45 places, 37 transitions, 162 flow. Second operand 5 states and 684 transitions. [2023-11-12 02:10:21,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 83 transitions, 442 flow [2023-11-12 02:10:21,125 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 83 transitions, 424 flow, removed 4 selfloop flow, removed 2 redundant places. [2023-11-12 02:10:21,127 INFO L231 Difference]: Finished difference. Result has 48 places, 37 transitions, 186 flow [2023-11-12 02:10:21,128 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=186, PETRI_PLACES=48, PETRI_TRANSITIONS=37} [2023-11-12 02:10:21,130 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 2 predicate places. [2023-11-12 02:10:21,130 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 37 transitions, 186 flow [2023-11-12 02:10:21,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 122.6) internal successors, (613), 5 states have internal predecessors, (613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:10:21,131 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:10:21,131 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:10:21,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 02:10:21,132 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-12 02:10:21,132 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:10:21,132 INFO L85 PathProgramCache]: Analyzing trace with hash -469621071, now seen corresponding path program 1 times [2023-11-12 02:10:21,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:10:21,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467945401] [2023-11-12 02:10:21,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:10:21,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:10:21,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:21,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:10:21,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:10:21,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467945401] [2023-11-12 02:10:21,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467945401] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:10:21,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:10:21,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:10:21,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249563855] [2023-11-12 02:10:21,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:10:21,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:10:21,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:10:21,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:10:21,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:10:21,376 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 268 [2023-11-12 02:10:21,378 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 37 transitions, 186 flow. Second operand has 6 states, 6 states have (on average 123.16666666666667) internal successors, (739), 6 states have internal predecessors, (739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:10:21,378 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:10:21,378 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 268 [2023-11-12 02:10:21,378 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:10:21,899 INFO L124 PetriNetUnfolderBase]: 2060/2902 cut-off events. [2023-11-12 02:10:21,899 INFO L125 PetriNetUnfolderBase]: For 2490/2490 co-relation queries the response was YES. [2023-11-12 02:10:21,907 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8585 conditions, 2902 events. 2060/2902 cut-off events. For 2490/2490 co-relation queries the response was YES. Maximal size of possible extension queue 164. Compared 12893 event pairs, 467 based on Foata normal form. 16/2903 useless extension candidates. Maximal degree in co-relation 8571. Up to 1216 conditions per place. [2023-11-12 02:10:21,910 INFO L140 encePairwiseOnDemand]: 259/268 looper letters, 0 selfloop transitions, 0 changer transitions 75/75 dead transitions. [2023-11-12 02:10:21,910 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 75 transitions, 394 flow [2023-11-12 02:10:21,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:10:21,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-12 02:10:21,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 796 transitions. [2023-11-12 02:10:21,913 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49502487562189057 [2023-11-12 02:10:21,914 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 796 transitions. [2023-11-12 02:10:21,914 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 796 transitions. [2023-11-12 02:10:21,914 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:10:21,915 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 796 transitions. [2023-11-12 02:10:21,917 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 132.66666666666666) internal successors, (796), 6 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:10:21,922 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 268.0) internal successors, (1876), 7 states have internal predecessors, (1876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:10:21,923 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 268.0) internal successors, (1876), 7 states have internal predecessors, (1876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:10:21,923 INFO L175 Difference]: Start difference. First operand has 48 places, 37 transitions, 186 flow. Second operand 6 states and 796 transitions. [2023-11-12 02:10:21,923 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 75 transitions, 394 flow [2023-11-12 02:10:21,986 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 75 transitions, 339 flow, removed 8 selfloop flow, removed 6 redundant places. [2023-11-12 02:10:21,987 INFO L231 Difference]: Finished difference. Result has 43 places, 0 transitions, 0 flow [2023-11-12 02:10:21,987 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=99, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=43, PETRI_TRANSITIONS=0} [2023-11-12 02:10:21,989 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, -3 predicate places. [2023-11-12 02:10:21,990 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 0 transitions, 0 flow [2023-11-12 02:10:21,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 123.16666666666667) internal successors, (739), 6 states have internal predecessors, (739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:10:21,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2023-11-12 02:10:21,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2023-11-12 02:10:21,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2023-11-12 02:10:21,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2023-11-12 02:10:21,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2023-11-12 02:10:21,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2023-11-12 02:10:21,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2023-11-12 02:10:21,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2023-11-12 02:10:21,995 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2023-11-12 02:10:21,995 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2023-11-12 02:10:22,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2023-11-12 02:10:22,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2023-11-12 02:10:22,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2023-11-12 02:10:22,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2023-11-12 02:10:22,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2023-11-12 02:10:22,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2023-11-12 02:10:22,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2023-11-12 02:10:22,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2023-11-12 02:10:22,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2023-11-12 02:10:22,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2023-11-12 02:10:22,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-12 02:10:22,003 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-12 02:10:22,009 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-12 02:10:22,009 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:10:22,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:10:22 BasicIcfg [2023-11-12 02:10:22,013 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:10:22,014 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:10:22,014 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:10:22,014 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:10:22,015 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:10:10" (3/4) ... [2023-11-12 02:10:22,016 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 02:10:22,019 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2023-11-12 02:10:22,019 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2023-11-12 02:10:22,019 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2023-11-12 02:10:22,019 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2023-11-12 02:10:22,026 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-11-12 02:10:22,026 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-12 02:10:22,027 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-12 02:10:22,027 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 02:10:22,124 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_921cf4a1-611b-4db2-b07f-cc0f0d720a6a/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml [2023-11-12 02:10:22,125 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_921cf4a1-611b-4db2-b07f-cc0f0d720a6a/bin/uautomizer-verify-uTZkv6EMXl/witness.yml [2023-11-12 02:10:22,125 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:10:22,126 INFO L158 Benchmark]: Toolchain (without parser) took 13948.44ms. Allocated memory was 140.5MB in the beginning and 453.0MB in the end (delta: 312.5MB). Free memory was 92.8MB in the beginning and 324.3MB in the end (delta: -231.6MB). Peak memory consumption was 82.0MB. Max. memory is 16.1GB. [2023-11-12 02:10:22,126 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 140.5MB. Free memory is still 110.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:10:22,127 INFO L158 Benchmark]: CACSL2BoogieTranslator took 758.71ms. Allocated memory is still 140.5MB. Free memory was 92.8MB in the beginning and 69.6MB in the end (delta: 23.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-12 02:10:22,127 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.85ms. Allocated memory is still 140.5MB. Free memory was 69.6MB in the beginning and 67.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:10:22,127 INFO L158 Benchmark]: Boogie Preprocessor took 69.63ms. Allocated memory is still 140.5MB. Free memory was 67.1MB in the beginning and 65.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:10:22,128 INFO L158 Benchmark]: RCFGBuilder took 1104.76ms. Allocated memory was 140.5MB in the beginning and 188.7MB in the end (delta: 48.2MB). Free memory was 65.0MB in the beginning and 140.3MB in the end (delta: -75.3MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2023-11-12 02:10:22,129 INFO L158 Benchmark]: TraceAbstraction took 11787.33ms. Allocated memory was 188.7MB in the beginning and 453.0MB in the end (delta: 264.2MB). Free memory was 139.3MB in the beginning and 328.5MB in the end (delta: -189.2MB). Peak memory consumption was 294.2MB. Max. memory is 16.1GB. [2023-11-12 02:10:22,129 INFO L158 Benchmark]: Witness Printer took 111.25ms. Allocated memory is still 453.0MB. Free memory was 328.5MB in the beginning and 324.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 02:10:22,132 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 140.5MB. Free memory is still 110.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 758.71ms. Allocated memory is still 140.5MB. Free memory was 92.8MB in the beginning and 69.6MB in the end (delta: 23.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.85ms. Allocated memory is still 140.5MB. Free memory was 69.6MB in the beginning and 67.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.63ms. Allocated memory is still 140.5MB. Free memory was 67.1MB in the beginning and 65.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1104.76ms. Allocated memory was 140.5MB in the beginning and 188.7MB in the end (delta: 48.2MB). Free memory was 65.0MB in the beginning and 140.3MB in the end (delta: -75.3MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. * TraceAbstraction took 11787.33ms. Allocated memory was 188.7MB in the beginning and 453.0MB in the end (delta: 264.2MB). Free memory was 139.3MB in the beginning and 328.5MB in the end (delta: -189.2MB). Peak memory consumption was 294.2MB. Max. memory is 16.1GB. * Witness Printer took 111.25ms. Allocated memory is still 453.0MB. Free memory was 328.5MB in the beginning and 324.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.3s, 151 PlacesBefore, 46 PlacesAfterwards, 141 TransitionsBefore, 34 TransitionsAfterwards, 4314 CoEnabledTransitionPairs, 7 FixpointIterations, 44 TrivialSequentialCompositions, 64 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 13 ConcurrentYvCompositions, 2 ChoiceCompositions, 123 TotalNumberOfCompositions, 13687 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5496, independent: 5188, independent conditional: 0, independent unconditional: 5188, dependent: 308, dependent conditional: 0, dependent unconditional: 308, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2338, independent: 2278, independent conditional: 0, independent unconditional: 2278, dependent: 60, dependent conditional: 0, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5496, independent: 2910, independent conditional: 0, independent unconditional: 2910, dependent: 248, dependent conditional: 0, dependent unconditional: 248, unknown: 2338, unknown conditional: 0, unknown unconditional: 2338] , Statistics on independence cache: Total cache size (in pairs): 203, Positive cache size: 180, Positive conditional cache size: 0, Positive unconditional cache size: 180, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 764]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 764]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 779]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 779]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 807]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 807]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 843]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 843]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 186 locations, 20 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 11.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 254 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 233 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 72 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 414 IncrementalHoareTripleChecker+Invalid, 486 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 72 mSolverCounterUnsat, 8 mSDtfsCounter, 414 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=186occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 57 ConstructedInterpolants, 0 QuantifiedInterpolants, 171 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-12 02:10:22,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_921cf4a1-611b-4db2-b07f-cc0f0d720a6a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE